CORNERSTONE INTERNET SOLUTIONS CO /DE/
SC 13D, 1999-11-12
PREPACKAGED SOFTWARE
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                               S C H E D U L E 13D

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
            TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO
                                 RULE 13d-2(a).
                              (Amendment No. 11)(1)

                       CORNERSTONE INTERNET SOLUTIONS CO.
                                (Name of Issuer)

                          COMMON STOCK, $0.01 PAR VALUE
                         (Title of Class of Securities)

                                    293636106
                                 (CUSIP Number)

                                    Copy to:

                                          Stephen A. Cohen, Esq.
Seneca Ventures                           Morrison Cohen Singer & Weinstein, LLP
68 Wheatley Road                          750 Lexington Avenue
Brookville, New York 11545                New York, New York 10022
Telephone (516) 626-3070                  Telephone (212) 735-8600

                 (Name, Address and Telephone Number of Persons
                Authorized to Receive Notices and Communications)

                                October 27, 1999
              (Date of Event which Requires Filing this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule because of ss.ss. 240.13d - 1(e), 240.13d- 1(f) or 240.13d-1(g),  check
the following box |_|.

NOTE:  Schedules  filed in paper format shall include a signed original and five
copies of the  schedule,  including all  exhibits.  See ss.  240.13d-7 for other
parties to whom copies are to be sent.

                        (Continued on following page(s))
- --------

     (1) The  remainder  of this cover page shall be filled out for a  reporting
person's  initial  filing on this  form with  respect  to the  subject  class of
securities,  and for any subsequent amendment containing information which would
alter disclosures provided in a prior cover page.

     The  information  required on the remainder of this cover page shall not be
deemed to be "filed"  for the purpose of Section 18 of the  Securities  Exchange
Act of 1934 ("Act") or otherwise  subject to the  liabilities of that section of
the Act but shall be subject to all other  provisions of the Act  (however,  see
the Notes).

                                  Page 1 of 44

<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Barry Rubenstein

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                        WC, OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              473,000 shares                                    2.0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               11,727,486 shares                                49.4%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                473,000 shares                                    3.4%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         11,727,486 shares                                50.6%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          12,200,486 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   51.5%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 2 of 44

<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Woodland Venture Fund

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                        WC, OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                              New York

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              514,415 shares                                    2.2%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               1,406,587 shares                                  5.9%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                514,415 shares                                    3.7%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         1,406,587 shares                                  9.5%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          1,921,002 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   13.0%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               PN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 3 of 44

<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Seneca Ventures

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                        WC, OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                              New York

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              343,636 shares                                    1.4%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               1,577,366 shares                                  6.6%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                343,636 shares                                    2.5%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         1,577,366 shares                                 10.7%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          1,921,002 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   13.0%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               PN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 4 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Woodland Services Corp.

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                              New York

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               1,921,002 shares                                  8.0%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         1,921,002 shares                                 13.0%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          1,921,002 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   13.0%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               CO
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 5 of 44



<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          21st Century Communications Partners, L.P.

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                        WC, OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                              Delaware

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              3,074,169 shares                                 12.9%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               1,458,782 shares                                  6.1%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                3,074,169 shares                                 19.2%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         1,458,782 shares                                  8.5%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          4,532,951 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   26.4%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               PN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 6 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          21st Century Communications T-E Partners, L.P.

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                        WC, OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                              Delaware

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              1,050,172 shares                                  4.4%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               3,482,779 shares                                 14.7%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                1,050,172 shares                                  7.3%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         3,482,779 shares                                 20.3%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          4,532,951 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   26.4%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               PN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 7 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          21st Century Communications Foreign Partners, L.P.

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                        WC, OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                              Delaware

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              408,610 shares                                    1.7%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               4,124,341 shares                                 17.4%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                408,610 shares                                    2.9%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         4,124,341 shares                                 24.0%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          4,532,951 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   26.4%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               PN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 8 of 44

<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Michael J. Marocco

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               4,532,951 shares                                 19.1%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         4,532,951 shares                                 26.4%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          4,532,951 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   26.4%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 9 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          John Kornreich

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               4,532,951 shares                                 19.1%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         4,532,951 shares                                 26.4%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          4,532,951 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   26.4%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 10 of 44



<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Harvey Sandler

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               4,532,951 shares                                 19.1%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         4,532,951 shares                                 26.4%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          4,532,951 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   26.4%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 11 of 44



<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Andrew Sandler

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               4,532,951 shares                                 19.1%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         4,532,951 shares                                 26.4%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          4,532,951 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   26.4%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 12 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Barry Fingerhut

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                         WC, OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              1,000 shares                                      0.01%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               10,279,484 shares                                43.3%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                1,000 shares                                      0.01%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         10,279,484 shares                                46.4%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          10,280,484 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   46.4%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 13 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Irwin Lieber

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                        WC, OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              6,000 shares                                      0.01%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               10,279,484 shares                                43.3%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                6,000 shares                                      0.01%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         10,279,484 shares                                46.4%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          10,285,484 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   46.4%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 14 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Woodland Partners

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                        WC, OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                              New York

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              485,714 shares                                    2.0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               1,435,288 shares                                  6.0%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                485,714 shares                                    3.4%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         1,435,288 shares                                  9.7%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          1,921,002 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   13.0%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               PN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 15 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Wheatley Partners II, L.P. (formerly Applewood Associates, L.P.)

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                        WC, OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                              New York

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              5,746,533 shares                                 24.2%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               0 shares                                            0%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                5,746,533 shares                                 30.8%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         0 shares                                            0%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          5,746,533 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   30.8%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               PN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 16 of 44



<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Applewood Capital Corp.

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                              New York

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               5,746,533 shares                                 24.2%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         5,746,533 shares                                 30.8%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          5,746,533 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   30.8%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               CO
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 17 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Seth Lieber

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                         United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               5,746,533 shares                                 24.2%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         5,746,533 shares                                 30.8%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          5,746,533 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   30.8%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 18 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Jonathan Lieber

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                         United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               5,746,533 shares                                 24.2%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         5,746,533 shares                                 30.8%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          5,746,533 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   30.8%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 19 of 44



<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Marilyn Rubenstein

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                         United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               1,921,002 shares                                  8.0%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         1,921,002 shares                                 13.0%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          1,921,002 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   13.0%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 20 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          The Marilyn and Barry Rubenstein Family Foundation

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              104,237 shares                                    0.4%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               1,816,765 shares                                  7.6%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                104,237 shares                                    0.8%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         1,816,765 shares                                 12.3%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          1,921,002 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   13.0%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               OO
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 21 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Brian Rubenstein

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               104,237 shares                                    0.4%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         104,237 shares                                    0.8%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          104,237 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                    0.8%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 22 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Rebecca Rubenstein

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               104,237 shares                                    0.4%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         104,237 shares                                    0.8%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          104,237 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                    0.8%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 23 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Douglas Schimmel

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               4,532,951 shares                                  19.1%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         4,532,951 shares                                 26.4%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          4,532,951 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   26.4%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 24 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          Hannah Stone

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               4,532,951 shares                                 19.1%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         4,532,951 shares                                 26.4%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          4,532,951 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   26.4%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 25 of 44


<PAGE>

CUSIP
No. 293636106                          13D
================================================================================
1    Names of Reporting Persons
     I.R.S. Identification Nos. of Above Persons (Entities Only)
          David Lee

- --------------------------------------------------------------------------------
2    Check the Appropriate Box if a Member of a Group (See Instructions) (a) |_|
                                                                         (b) |_|
- --------------------------------------------------------------------------------
3    SEC Use Only

- --------------------------------------------------------------------------------
4    Source of Funds (See Instructions)                            OO

- --------------------------------------------------------------------------------
5    Check Box if Disclosure of Legal Proceedings is Required                |_|
     Pursuant to Items 2(d) or 2(e)

- --------------------------------------------------------------------------------
6    Citizenship or Place of Organization                          United States

- --------------------------------------------------------------------------------
               7    Sole Voting Power
  Number of              0 shares                                            0%
   Shares      -----------------------------------------------------------------
Beneficially   8    Shared Voting Power
  Owned By               4,532,951 shares                                 19.1%
    Each       -----------------------------------------------------------------
  Reporting    9    Sole Dispositive Power
   Person                0 shares                                            0%
    With       -----------------------------------------------------------------
               10   Shared Dispositive Power
                         4,532,951 shares                                 26.4%
- --------------------------------------------------------------------------------
11   Aggregate Amount Beneficially Owned By Each Reporting Person
          4,532,951 shares

- --------------------------------------------------------------------------------
12   Check Box if the Aggregate Amount in Row (11) excludes Certain Shares   |_|
     (See Instructions)

- --------------------------------------------------------------------------------
13   Percent of Class Represented by Amount in Row (11)                   26.4%


- --------------------------------------------------------------------------------
14   Type of Reporting Person (See Instructions)

                                                               IN
================================================================================
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                  Page 26 of 44


<PAGE>

     This statement, dated October 27, 1999, constitutes Amendment No. 11 to the
Schedule  13D,  dated  September  11,  1995,  regarding  the  reporting  persons
ownership of certain  securities  of  Cornerstone  Internet  Solutions  Co. (the
"Issuer").

     The  Schedule  13D  is  hereinafter  referred  to as  the  "Schedule."  All
capitalized  terms used herein and otherwise  undefined  shall have the meanings
ascribed in the Schedule.

     This  Amendment  No. 11 to the  Schedule is filed in  accordance  with Rule
13d-2 of the  Securities  Exchange  Act of 1934,  as amended,  by the  reporting
persons.  It shall refer only to information which has materially  changed since
the filing of the Schedule.

ITEM 2. Identity and Background

     24.
          (a)  Douglas Schimmel, is the sole shareholder of SERF Corp.
          (b)  Address: 767 Fifth Avenue
                        New York, New York 10153
          (c)  Principal Occupation: Investments.
          (d)  No.
          (e)  No.
          (f)  Citizenship: United States.

     SERF Corp. became a general partner of SCM on January 1, 1999, which is the
general partner of SIP, a general partner of 21st Century, T-E and Foreign.

     25.  (a)  Hannah Stone, is the sole shareholder of TERPSI Corp.
          (b)  Address: 767 Fifth Avenue
                        New York, New York 10153
          (c)  Principal Occupation: Investments.
          (d)  No.
          (e)  No.
          (f)  Citizenship: United States.

     TERPSI Corp.  became a general partner of SCM on January 1, 1999,  which is
the general partner of SIP, a general partner of 21ST Century, T-E and Foreign.

     26.  (a)  David Lee, is the sole shareholder of JIRAKAL Corp.
          (b)  Address: 767 Fifth Avenue
                        New York, New York 10153
          (c)  Principal Occupation: Investments.
          (d)  No.
          (e)  No.
          (f)  Citizenship: United States.

                                  Page 27 of 44

<PAGE>

     JIRAKAL Corp.  became a general partner of SCM on January 1, 1999, which is
the general partner of SIP, a general partner of 21st Century, T-E and Foreign.

     Effective  July 1, 1999,  Applewood  Associates,  L.P.  changed its name to
Wheatley Partners II, L.P.

ITEM 3. Source and Amount of Funds or Other Consideration.

     The source of funds for the  acquisition of the  additional  securities was
the personal funds of Barry Rubenstein.

                                 Number of                           Purchase
                                   Shares                              Price
                                   ------                              -----

Barry Rubenstein                   200,000                           $475,000


ITEM 4. Purpose of Transaction.

     Other than the reporting persons' purchase or sale of additional securities
of the Issuer,  no reporting person has any present plan or proposal which would
relate to or result in any of the matters set forth in subparagraphs  (a)-(j) of
Item 4 of Schedule 13D except as set forth herein.

ITEM 5. Interests in Securities of the Issuer.

     (a) The  following  list sets forth the  aggregate  number  and  percentage
(based on 13,669,292  shares of Common Stock  outstanding as of August 31, 1999,
as  reported  by the Issuer in its Form 10-Q for the  quarter  ended  August 31,
1999),  of  outstanding  shares  of  Common  Stock  owned  beneficially  by each
reporting person named in Item 2, as of October 27, 1999.


                                  Page 28 of 44

<PAGE>

<TABLE>
<CAPTION>
                                 Shares of                                Percentage of Shares
                                Common Stock        Percent of Voting        of Common Stock
            Name            Beneficially Owned(2)        Control(3)       Beneficially Owned(2)
            ----            ---------------------        ----------       ---------------------
<S>                           <C>                          <C>                    <C>
Barry Rubenstein              12,200,486(4,5,6,7)          51.0%                  51.5%

Woodland Venture Fund            1,921,002(4)               8.0%                  13.0%

Seneca Ventures                  1,921,002(4)               8.0%                  13.0%

Woodland Services Corp.          1,921,002(4)               8.0%                  13.0%

21st Century                    4,532,951(4,8)             19.1%                  26.4%
Communications
   Partners, L.P.

21st Century                    4,532,951(4,9)             19.1%                  26.4%
   Communications T-E
   Partners, L.P.

21st Century                   4,532,951(4,10)             19.1%                  26.4%
   Communications
Foreign Partners, L.P.

Michael Marocco                 4,532,951(4,7)             19.1%                  26.4%

John Kornreich                  4,532,951(4,7)             19.1%                  26.4%
</TABLE>

- --------
(2)  Includes  shares of Common Stock  issuable upon the exercise of the options
     and shares of Common  Stock  issuable  upon the  conversion  of the Class D
     Preferred Stock into Common Stock.

(3)  Includes voting rights from the Class D Preferred Stock.

(4)  The reporting person disclaims  beneficial  ownership of these  securities,
     except to the extent of his/her/its equity interest therin.

(5)  Includes 160,500 shares of Common Stock held in Barry Rubenstein's Rollover
     IRA account.

(6)  Includes 746,533 shares of Common Stock owned by Wheatley Partners II, L.P.

(7)  Includes  1,032,951  shares of Common Stock owned by 21st Century,  T-E and
     Foreign.

(8)  Includes 701,169 shares of Common Stock. 21st Century disclaims  beneficial
     ownership of 242,172  shares of Common Stock owned by T-E and 89,610 shares
     of Common Stock owned by Foreign.

(9)  Includes 242,172 shares of Common Stock. T-E disclaims beneficial ownership
     of 701,169  shares of Common Stock owned by 21st Century and 89,610  shares
     of Common Stock owned by Foreign.

(10) Includes  89,610  shares  of Common  Stock.  Foreign  disclaims  beneficial
     ownership  of 701,169  shares of Common  Stock  owned by 21st  Century  and
     242,172 shares of Common Stock owned by T-E.

                                  Page 29 of 44

<PAGE>

<TABLE>
<CAPTION>
                                 Shares of                                Percentage of Shares
                                Common Stock        Percent of Voting        of Common Stock
            Name            Beneficially Owned(2)       Control(3)        Beneficially Owned(2)
            ----            ---------------------       ----------        ---------------------
<S>                             <C>                       <C>                    <C>
Harvey Sandler                  4,532,951(4,7)            19.1%                  26.4%
Andrew Sandler                  4,532,951(4,7)            19.1%                  26.4%
Barry Fingerhut                10,280,484(4,6,7)          43.3%                  46.4%
Irwin Lieber                   10,302,484(4,6,7)          43.3%                  46.4%
Woodland Partners                1,921,002(4)              8.0%                  13.0%
Wheatley Partners II, L.P.       5,746,533(6)             24.2%                  30.8%
(formerly Applewood
Associates, L.P.)
Applewood Capital Corp.         5,746,53394,6)            24.2%                  30.8%
Seth Lieber                     5,746,533(4,6)            24.2%                  30.8%
Jonathan Lieber                 5,746,533(4,6)            24.2%                  30.8%
Marilyn Rubenstein               1,921,0024                8.0%                  13.0%
The Marilyn and Barry            1,921,0024                8.0%                  13.0%
    Rubenstein Family
    Foundation
Brian Rubenstein                  104,2374                 0.4%                   0.8%
Rebecca Rubenstein                104,2374                 0.4%                   0.8%
Douglas Schimmel                4,532,951(4,7)            19.1%                  26.4%
Hannah Stone                    4,532,951(4,7)            19.1%                  26.4%
David Lee                       4,532,951(4,7)            19.1%                  26.4%
</TABLE>


     (b) Barry  Rubenstein  has sole  power to vote and to  dispose  of  473,000
shares of Common Stock  (including  125,000 shares issuable upon the exercise of
the  Non-Qualified  Option and 50,000  shares  issuable upon the exercise of the
Option),   representing  approximately  2.0%  and  3.4%,  respectively,  of  the
outstanding Common Stock. By virtue of being a shareholder, officer and director
of  InfoMedia,  a Trustee of the  Foundation  and a general  partner of Wheatley
Partners II, L.P., Seneca, the Fund and Woodland Partners,  Barry Rubenstein may
be deemed  to have  shared  power to vote  11,727,486  shares  of  Common  Stock
(including   9,450,000  voting  rights  from  the  Class  D  Preferred   Stock),
representing  approximately  49.4% of the outstanding  Common Stock,  and may be
deemed to have  shared  power to dispose of  11,727,486  shares of Common  Stock
(including  9,450,000  shares  issuable  upon  the  conversion  of the  Class  D
Preferred Stock),  representing  approximately  50.6% of the outstanding  Common
Stock.

                                  Page 30 of 44

<PAGE>

     The  Fund  has  sole  power  to  vote  514,415   shares  of  Common  Stock,
representing  approximately  2.2% of the  outstanding  Common  Stock  (including
300,000  voting rights from the Class D Preferred  Stock),  and may be deemed to
have shared power to vote 1,406,587  shares of Common Stock  (including  125,000
shares  issuable upon the exercise of the  Non-Qualified  Option,  50,000 shares
issuable  upon the  exercise  of the Option and 650,000  voting  rights from the
Class D Preferred  Stock),  representing  approximately  5.9% of the outstanding
Common Stock. The Fund has the sole power to dispose of 514,415 shares of Common
Stock  (including  300,000  shares  issuable upon the  conversion of the Class D
Preferred  Stock),  representing  approximately  3.7% of the outstanding  Common
Stock,  and  shared  power to  dispose  of  1,406,587  shares  of  Common  Stock
(including  125,000  shares  issuable  upon the  exercise  of the  Non-Qualified
Option,  50,000  shares  issuable  upon the  exercise  of the Option and 650,000
shares   issuable  upon  the  conversion  of  the  Class  D  Preferred   Stock),
representing approximately 9.5% of the outstanding Common Stock.

     Seneca has sole power to vote 343,636 shares of Common Stock,  representing
approximately  1.4% of the outstanding  Common Stock  (including  200,000 voting
rights from the Class D Preferred Stock), and may be deemed to have shared power
to vote 1,577,366 shares of Common Stock (including 125,000 shares issuable upon
the  exercise of the  Non-Qualified  Option,  50,000  shares  issuable  upon the
exercise  of the Option and  750,000  voting  rights  from the Class D Preferred
Stock),  representing approximately 6.6% of the outstanding Common Stock. Seneca
has sole power to dispose of 343,636 shares of Common Stock  (including  200,000
shares   issuable  upon  the  conversion  of  the  Class  D  Preferred   Stock),
representing  approximately  2.5% of the  outstanding  Common Stock,  and shared
power to dispose of 1,577,366 shares of Common Stock  (including  125,000 shares
issuable upon the exercise of the Non-Qualified  Option,  50,000 shares issuable
upon the exercise of the Option and 750,000 shares  issuable upon the conversion
of the  Class  D  Preferred  Stock),  representing  approximately  10.7%  of the
outstanding Common Stock.

     Woodland Services Corp. has shared power to vote 1,921,002 shares of Common
Stock (including  125,000 shares issuable upon the exercise of the Non-Qualified
Option,  50,000  shares  issuable  upon the  exercise  of the Option and 950,000
voting rights from the Class D Preferred Stock), representing approximately 8.0%
of the  outstanding  Common  Stock,  and may be deemed to have  shared  power to
dispose of 1,921,002 shares of Common Stock  (including  125,000 shares issuable
upon the exercise of the Non-Qualified  Option,  50,000 shares issuable upon the
exercise of the Option,  and 950,000 shares  issuable upon the conversion of the
Class D Preferred Stock),  representing  approximately  13.0% of the outstanding
Common Stock.

     21st  Century  has sole  power to vote  3,074,169  shares of  Common  Stock
(including   2,373,000  voting  rights  from  the  Class  D  Preferred   Stock),
representing  approximately  12.9% of the outstanding  Common Stock,  and may be
deemed to have shared power to vote 1,458,782  shares of Common Stock (including
1,127,000  voting  rights  from  the  Class  D  Preferred  Stock),  representing
approximately  6.1% of the outstanding Common Stock. 21st Century has sole power
to dispose of  3,074,169  shares of Common  Stock  (including  2,373,000  shares
issuable  upon the  conversion  of the Class D  Preferred  Stock),  representing
approximately  19.2% of the outstanding  Common Stock, and may be deemed to have
shared power to dispose of 1,458,782 shares of Common Stock (including



                                  Page 31 of 44

<PAGE>

1,127,000  shares issuable upon the conversion of the Class D Preferred  Stock),
representing approximately 8.5% of the outstanding Common Stock.

     T-E has sole  power to vote  1,050,172  shares of Common  Stock  (including
808,000  voting  rights  from  the  Class  D  Preferred   Stock),   representing
approximately  4.4% of the outstanding  Common Stock,  and may be deemed to have
shared  power to vote  3,482,779  shares of Common  Stock  (including  2,692,000
voting  rights from the Class D  Preferred  Stock),  representing  approximately
14.7% of the  outstanding  Common  Stock.  T-E has  sole  power  to  dispose  of
1,050,172  shares of Common Stock  (including  808,000 shares  issuable upon the
conversion of the Class D Preferred Stock),  representing  approximately 7.3% of
the outstanding  Common Stock, and may be deemed to have shared power to dispose
of 3,482,779  shares of Common Stock  (including  2,692,000 shares issuable upon
the conversion of the Class D Preferred Stock), representing approximately 20.3%
of the outstanding Common Stock.

     Foreign has sole power to vote 408,610  shares of Common  Stock  (including
319,000  voting  rights  from  the  Class  D  Preferred   Stock),   representing
approximately  1.7% of the  outstanding  Common Stock.  Foreign may be deemed to
have shared power to vote 4,124,341 shares of Common Stock (including  3,181,000
voting  rights from the Class D  Preferred  Stock),  representing  approximately
17.4% of the  outstanding  Common  Stock.  Foreign  has sole power to dispose of
408,610  shares of Common Stock  (including  319,000  shares  issuable  upon the
conversion of the Class D Preferred Stock),  representing  approximately 2.9% of
the outstanding  Common Stock, and may be deemed to have shared power to dispose
of 4,124,341  shares of Common Stock  (including  3,181,000 shares issuable upon
the conversion of the Class D Preferred Stock), representing approximately 24.0%
of the outstanding Common Stock.

     By virtue of being the sole  shareholder of MJDM Corp.,  Michael J. Marocco
may be deemed to have  shared  power to vote  4,532,951  shares of Common  Stock
(including   3,500,000  voting  rights  from  the  Class  D  Preferred   Stock),
representing  approximately  19.1% of the outstanding  Common Stock,  and may be
deemed to have  shared  power to dispose  of  4,532,951  shares of Common  Stock
(including  3,500,000  shares  issuable  upon  the  conversion  of the  Class  D
Preferred Stock),  representing  approximately  26.4% of the outstanding  Common
Stock.

     By virtue of being the majority  shareholder and director of Four JK Corp.,
John  Kornreich may be deemed to have shared power to vote  4,532,951  shares of
Common  Stock  (including  3,500,000  voting  rights  from the Class D Preferred
Stock),  representing  approximately  19.1% of the outstanding Common Stock, and
may be deemed to have  shared  power to  dispose of  4,532,951  shares of Common
Stock  (including  3,500,000  shares issuable upon the conversion of the Class D
Preferred Stock),  representing  approximately  26.4% of the outstanding  Common
Stock.

     By virtue of being the sole shareholder of ARH Corp., Harvey Sandler may be
deemed to have shared power to vote 4,532,951  shares of Common Stock (including
3,500,000  voting  rights  from  the  Class  D  Preferred  Stock),  representing
approximately  19.1% of the outstanding  Common Stock, and may be deemed to have
shared power to dispose of 4,532,951 shares of Common Stock



                                  Page 32 of 44

<PAGE>

(including  3,500,000  shares  issuable  upon  the  conversion  of the  Class  D
Preferred Stock),  representing  approximately  26.4% of the outstanding  Common
Stock.

     By virtue of being the sole  shareholder of ALCR Corp.,  Andrew Sandler may
be  deemed  to have  shared  power to vote  4,532,951  shares  of  Common  Stock
(including   3,500,000  voting  rights  from  the  Class  D  Preferred   Stock),
representing  approximately  19.1% of the outstanding  Common Stock,  and may be
deemed to have  shared  power to dispose  of  4,532,951  shares of Common  Stock
(including  3,500,000  shares  issuable  upon  the  conversion  of the  Class  D
Preferred Stock),  representing  approximately  26.4% of the outstanding  Common
Stock.

     Barry  Fingerhut  has sole  power to vote and  dispose  of 1,000  shares of
Common Stock,  representing  approximately 0.01% and 0.01%,  respectively of the
outstanding Common Stock. By virtue of being a shareholder, officer and director
of  InfoMedia  and a general  partner  of  Wheatley  Partners  II,  L.P.,  Barry
Fingerhut may be deemed to have shared power to vote 10,279,484 shares of Common
Stock  (including  8,500,000  voting  rights from the Class D Preferred  Stock),
representing  approximately  43.3% of the outstanding  Common Stock,  and may be
deemed to have  shared  power to dispose of  10,279,484  shares of Common  Stock
(including  8,500,000  shares  issuable  upon  the  conversion  of the  Class  D
Preferred Stock),  representing  approximately  46.4% of the outstanding  Common
Stock.

     Irwin  Lieber has sole power to vote and dispose of 6,000  shares of Common
Stock,   representing   approximately  0.01%  and  0.01%,  respectively  of  the
outstanding Common Stock. By virtue of being a shareholder, officer and director
of InfoMedia and a general partner of Wheatley  Partners II, L.P.,  Irwin Lieber
may be deemed to have shared  power to vote  10,279,484  shares of Common  Stock
(including   8,500,000  voting  rights  from  the  Class  D  Preferred   Stock),
representing  approximately  43.3% of the outstanding  Common Stock,  and may be
deemed to have  shared  power to dispose of  10,279,484  shares of Common  Stock
(including  8,500,000  shares  issuable  upon  the  conversion  of the  Class  D
Preferred Stock),  representing  approximately  46.4% of the outstanding  Common
Stock.

     Wheatley  Partners  II,  L.P.  has sole power to vote  5,746,533  shares of
Common  Stock  (including  5,000,000  voting  rights  from the Class D Preferred
Stock),  representing  approximately  24.2% of the outstanding Common Stock, and
has sole  power to  dispose  of  5,746,533  shares  of Common  Stock  (including
5,000,000  shares issuable upon the conversion of the Class D Preferred  Stock),
representing approximately 30.8% of the outstanding Common Stock.

     AC Corp.  may be deemed to have shared  power to vote  5,746,533  shares of
Common  Stock  (including  5,000,000  voting  rights  from the Class D Preferred
Stock),  representing  approximately  24.2% of the outstanding Common Stock, and
may be deemed to have  shared  power to  dispose of  5,746,533  shares of Common
Stock  (including  5,000,000  shares issuable upon the conversion of the Class D
Preferred Stock),  representing  approximately  30.8% of the outstanding  Common
Stock.


                                  Page 33 of 44

<PAGE>

     By virtue of being a general  partner of Wheatley  Partners II, L.P. and an
officer  of AC Corp.,  Seth  Lieber may be deemed to have  shared  power to vote
5,746,533  shares of Common Stock  (including  5,000,000  voting rights from the
Class D Preferred Stock),  representing  approximately  24.2% of the outstanding
Common Stock  (including  5,000,000  shares  issuable upon the conversion of the
Class D Preferred  Stock),  and may be deemed to have shared power to dispose of
5,746,533  shares  of  Common  Stock,  representing  approximately  30.8% of the
outstanding Common Stock.

     By virtue of being a general  partner of Wheatley  Partners II, L.P. and an
officer of AC Corp.,  Jonathan Lieber may be deemed to have shared power to vote
5,746,533  shares of Common Stock  (including  5,000,000  voting rights from the
Class D Preferred Stock),  representing  approximately  24.2% of the outstanding
Common  Stock,  and may be deemed to have shared  power to dispose of  5,746,533
shares of Common Stock (including  5,000,000 shares issuable upon the conversion
of the  Class  D  Preferred  Stock),  representing  approximately  30.8%  of the
outstanding Common Stock.

     Woodland  Partners  has sole power to vote  485,714  shares of Common Stock
(including 450,000 voting rights from the Class D Preferred Stock), representing
approximately  2.0% of the outstanding  Common Stock,  and may be deemed to have
shared power to vote 1,435,288 shares of Common Stock (including  500,000 voting
rights  from the Class D  Preferred  Stock,  125,000  shares  issuable  upon the
exercise  of the  Non-Qualified  Option  and  50,000  shares  issuable  upon the
exercise of the  Option),  representing  approximately  6.0% of the  outstanding
Common Stock.  Woodland  Partners has sole power to dispose of 485,714 shares of
Common Stock (including 450,000 shares issuable upon the conversion of the Class
D Preferred Stock),  representing  approximately  3.4% of the outstanding Common
Stock,  and may be deemed to have shared power to dispose of 1,435,288 shares of
Common  Stock  (including  125,000  shares  issuable  upon the  exercise  of the
Non-Qualified Option, 50,000 shares issuable upon the exercise of the Option and
500,000  shares  issuable upon the  conversion of the Class D Preferred  Stock),
representing approximately 9.7% of the outstanding Common Stock.

     By virtue of being a general partner of Woodland Partners, a Trustee of the
Foundation,  an  officer  of  Woodland  Services  Corp.  and the  wife of  Barry
Rubenstein,  Marilyn  Rubenstein  may be  deemed  to have  shared  power to vote
1,921,002  shares of Common stock  (including  125,000 shares  issuable upon the
exercise of the Non-Qualified  Option,  50,000 shares issuable upon the exercise
of the Option and  950,000  voting  rights  from the Class D  Preferred  Stock),
representing  approximately  8.0% of the  outstanding  Common Stock,  and may be
deemed to have  shared  power to dispose  of  1,921,002  shares of Common  Stock
(including  125,000  shares  issuable  upon the  exercise  of the  Non-Qualified
Option,  50,000  shares  issuable  upon the exercise of the Option,  and 950,000
shares   issuable  upon  the  conversion  of  the  Class  D  Preferred   Stock),
representing approximately 13.0% of the outstanding Common Stock.

     The  Foundation  has sole  power to vote  104,237  shares of Common  Stock,
representing  approximately  0.4% of the  outstanding  Common Stock,  and may be
deemed to have shared power to vote 1,816,765  shares of Common Stock (including
125,000 shares issuable upon the exercise of

                                  Page 34 of 44

<PAGE>

the Non-Qualified Option, 50,000 shares issuable upon the exercise of the Option
and  950,000  voting  rights  from the Class D  Preferred  Stock),  representing
approximately  7.6% of the  outstanding  Common Stock.  The  Foundation has sole
power to dispose of 104,237 shares of Common Stock,  representing  approximately
0.8% of the outstanding  Common Stock, and may be deemed to have shared power to
dispose of 1,816,765 shares of Common Stock  (including  125,000 shares issuable
upon the exercise of the Non-Qualified  Option,  50,000 shares issuable upon the
exercise of the Option,  and 950,000 shares  issuable upon the conversion of the
Class D Preferred Stock),  representing  approximately  12.3% of the outstanding
Common Stock.

     By virtue of being a Trustee of the  Foundation,  Brian  Rubenstein  may be
deemed to have shared power to vote 104,237 shares of Common Stock, representing
approximately  0.4% of the outstanding  Common Stock,  and may be deemed to have
shared  power to  dispose  of  104,237  shares  of  Common  Stock,  representing
approximately 0.8% of the outstanding Common Stock.

     By virtue of being a Trustee of the Foundation,  Rebecca  Rubenstein may be
deemed to have shared power to vote 104,237 shares of Common Stock, representing
approximately  0.4% of the outstanding  Common Stock,  and may be deemed to have
shared  power to  dispose  of  104,237  shares  of  Common  Stock,  representing
approximately 0.8% of the outstanding Common Stock.

     By virtue of being the sole shareholder of SERF Corp., Douglas Schimmel may
be  deemed  to have  shared  power to vote  4,532,951  shares  of  Common  Stock
(including   3,500,000  voting  rights  from  the  Class  D  Preferred   Stock),
representing  approximately  19.1% of the outstanding  Common Stock,  and may be
deemed to have  shared  power to dispose  of  4,532,951  shares of Common  Stock
(including  3,500,000  shares  issuable  upon  the  conversion  of the  Class  D
Preferred Stock),  representing  approximately  26.4% of the outstanding  Common
Stock.

     By virtue of being the sole  shareholder of TERPSI Corp.,  Hannah Stone may
be  deemed  to have  shared  power to vote  4,532,951  shares  of  Common  Stock
(including   3,500,000  voting  rights  from  the  Class  D  Preferred   Stock),
representing  approximately  19.1% of the outstanding  Common Stock,  and may be
deemed to have  shared  power to dispose  of  4,532,951  shares of Common  Stock
(including  3,500,000  shares  issuable  upon  the  conversion  of the  Class  D
Preferred Stock),  representing  approximately  26.4% of the outstanding  Common
Stock.

     By virtue of being the sole shareholder of JIRAKAL Corp.,  David Lee may be
deemed to have shared power to vote 4,532,951  shares of Common Stock (including
3,500,000  voting  rights  from  the  Class  D  Preferred  Stock),  representing
approximately  19.1% of the outstanding  Common Stock, and may be deemed to have
shared power to dispose of 4,532,951 shares of Common Stock (including 3,500,000
shares   issuable  upon  the  conversion  of  the  Class  D  Preferred   Stock),
representing approximately 26.4% of the outstanding Common Stock.

     (c) The following is a description of all transactions in the securities of
the Issuer by the persons  identified  in Item 2 of this  Schedule  13D effected
from August 27, 1999 through October 27, 1999, inclusive;

                                  Page 35 of 44

<PAGE>

     On October 27,  1999,  Barry  Rubenstein,  a general  partner of  Rev-wood,
exercised  one-half of the Rev-wood Warrant (an option to acquire 400,000 shares
of Common Stock in the  aggregate)  for the purchase of 200,000 shares of Common
Stock of the Issuer at an  exercise  price of $2.375 per share.  Mr.  Rubenstein
sold  the  200,000  shares  of  Common  Stock  at  $2.4375  per  share,  in  the
over-the-counter market, on such date.

     (d) No other  person  has the right to  receive  or the power to direct the
receipt of dividends from, or the proceeds from the sale of such securities.

     (e) Not applicable.

ITEM 7. Material to be Filed as Exhibits.

     Exhibit 7.01 Agreement effective as of October 27, 1999 among the reporting
persons by which they have agreed to file this  Schedule  13D and all  necessary
amendments, as required by Rule 13d-1(f).




                                  Page 36 of 44

<PAGE>

                                    Signature

     After  reasonable  inquiry and to the best of their  knowledge  and belief,
each of the undersigned  hereby certifies that the information set forth in this
Schedule is true, complete, and correct.

Date: November 10, 1999                       SENECA VENTURES

                                              /s/ Barry Rubenstein
                                              ----------------------------------
                                              Barry Rubenstein,
                                              A General Partner

                                              WOODLAND VENTURE FUND

                                              /s/ Barry Rubenstein
                                              ----------------------------------
                                              Barry Rubenstein,
                                              A General Partner

                                              WOODLAND SERVICES CORP.

                                              /s/ Barry Rubenstein
                                              ----------------------------------
                                              Barry Rubenstein,
                                              President

                                              WOODLAND PARTNERS

                                              /s/ Barry Rubenstein
                                              ----------------------------------
                                              Barry Rubenstein,
                                              A General Partner

                                              APPLEWOOD ASSOCIATES, L.P.

                                              /s/ Irwin Lieber
                                              ----------------------------------
                                              Irwin Lieber,
                                              A General Partner

                                              APPLEWOOD CAPITAL CORP.

                                              /s/ Irwin Lieber
                                              ----------------------------------
                                              Irwin Lieber,
                                              Secretary and Treasurer

                                              /s/ Barry Rubenstein
                                              ----------------------------------
                                              Barry Rubenstein

                                              /s/ Barry Fingerhut
                                              ----------------------------------
                                              Barry Fingerhut

                                  Page 37 of 44

<PAGE>

                                              /s/ Irwin Lieber
                                              ----------------------------------
                                              Irwin Lieber


                                              /s/ Jonathan Lieber
                                              ----------------------------------
                                              Jonathan Lieber


                                              /s/ Seth Lieber
                                              ----------------------------------
                                              Seth Lieber


                                              /s/ Marilyn Rubenstein
                                              ----------------------------------
                                              Marilyn Rubenstein


                                              THE MARILYN AND BARRY
                                              RUBENSTEIN FAMILY
                                               FOUNDATION


                                              By: /s/  Barry Rubenstein
                                              ----------------------------------
                                                    Barry Rubenstein, a Trustee


                                                    *
                                              ----------------------------------
                                              Brian Rubenstein


                                                    *
                                              ----------------------------------
                                              Rebecca Rubenstein
* By: /s/ Barry Rubenstein
      ----------------------------------
         Barry Rubenstein
         Attorney-in-Fact




                                  Page 38 of 44

<PAGE>

                          21ST CENTURY COMMUNICATIONS PARTNERS, L.P.

                          By: Sandler Investment Partners, L.P., general partner
                              By: Sandler Capital Management, general partner
                                    By: ARH Corp., general partner


                                             By: /s/ Edward Grinacoff
                                                 -------------------------------
                                                  Name: Edward Grinacoff
                                                  Title: Secretary and Treasurer


                          21ST CENTURY COMMUNICATIONS T-E PARTNERS,
                          L.P.

                          By: Sandler Investment Partners, L.P., general partner
                              By: Sandler Capital Management, general partner
                                    By: ARH Corp., general partner


                                             By: /s/ Edward Grinacoff
                                                 -------------------------------
                                                  Name: Edward Grinacoff
                                                  Title: Secretary and Treasurer


                          21ST CENTURY COMMUNICATIONS FOREIGN
                          PARTNERS, L.P.

                          By: Sandler Investment Partners, L.P., general partner
                              By: Sandler Capital Management, general partner
                                    By: ARH Corp., general partner


                                             By: /s/ Edward Grinacoff
                                                 -------------------------------
                                                  Name: Edward Grinacoff
                                                  Title: Secretary and Treasurer


                                  Page 39 of 44

<PAGE>



                                              /s/ Michael J. Marocco
                                              ----------------------------------
                                              Michael J. Marocco


                                              /s/ John Kornreich
                                              ----------------------------------
                                              John Kornreich


                                              /s/ Harvey Sandler
                                              ----------------------------------
                                              Harvey Sandler


                                              /s/ Andrew Sandler
                                              ----------------------------------
                                              Andrew Sandler


                                              /s/ Douglas Schimmel
                                              ----------------------------------
                                              Douglas Schimmel


                                              /s/ Hannah Stone
                                              ----------------------------------
                                              Hannah Stone


                                              /s/ David Lee
                                              ----------------------------------
                                              David Lee


ATTENTION:  INTENTIONAL  MISSTATEMENTS  OR OMISSIONS OF FACT CONSTITUTE  FEDERAL
CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001).


                                  Page 40 of 44

<PAGE>

Exhibit 7.01

                             JOINT FILING AGREEMENT


     In accordance with Rule 13d-1(f) under the Securities Exchange Act of 1934,
as amended,  the undersigned  hereby agree to the joint filing on behalf of each
of them of a statement  on Schedule  13D  (including  amendments  thereto)  with
respect to the Common Stock, par value $0.01 per share, of CORNERSTONE  INTERNET
SOLUTIONS CO. and that this  Agreement be filed as an Exhibit to such  statement
on Schedule 13D.

     IN WITNESS WHEREOF, the undersigned hereby execute this Agreement effective
as of the 27th day of October, 1999.

                                              SENECA VENTURES

                                              /s/ Barry Rubenstein
                                              ----------------------------------
                                              Barry Rubenstein,
                                              A General Partner

                                              WOODLAND VENTURE FUND

                                              /s/ Barry Rubenstein
                                              ----------------------------------
                                              Barry Rubenstein,
                                              A General Partner

                                              WOODLAND SERVICES CORP.

                                              /s/ Barry Rubenstein
                                              ----------------------------------
                                              Barry Rubenstein,
                                              President

                                              WOODLAND PARTNERS

                                              /s/ Barry Rubenstein
                                              ----------------------------------
                                              Barry Rubenstein,
                                              A General Partner

                                              APPLEWOOD ASSOCIATES, L.P.

                                              /s/ Irwin Lieber
                                              ----------------------------------
                                              Irwin Lieber,
                                              A General Partner


                                  Page 41 of 44

<PAGE>

                                              APPLEWOOD CAPITAL CORP.

                                              /s/ Irwin Lieber
                                              ----------------------------------
                                              Irwin Lieber,
                                              Secretary and Treasurer

                                              /s/ Barry Rubenstein
                                              ----------------------------------
                                              Barry Rubenstein

                                              /s/ Barry Fingerhut
                                              ----------------------------------
                                              Barry Fingerhut

                                              /s/ Irwin Lieber
                                              ----------------------------------
                                              Irwin Lieber

                                              /s/ Jonathan Lieber
                                              ----------------------------------
                                              Jonathan Lieber

                                              /s/ Seth Lieber
                                              ----------------------------------
                                              Seth Lieber

                                              /s/ Marilyn Rubenstein
                                              ----------------------------------
                                              Marilyn Rubenstein

                                              THE MARILYN AND BARRY
                                              RUBENSTEIN FAMILY
                                               FOUNDATION

                                              By: /s/ Barry Rubenstein
                                              ----------------------------------
                                                  Barry Rubenstein, a Trustee

                                                    *
                                              ----------------------------------
                                              Brian Rubenstein

                                                    *
                                              ----------------------------------
                                              Rebecca Rubenstein

* By: /s/ Barry Rubenstein
     -----------------------------
         Barry Rubenstein
         Attorney-in-Fact




                                  Page 42 of 44

<PAGE>


                          21ST CENTURY COMMUNICATIONS PARTNERS,
                          L.P.

                          By: Sandler Investment Partners, L.P., general partner
                              By: Sandler Capital Management, general partner
                                  By: ARH Corp., general partner


                                      By: /s/ Edward Grinacoff
                                          --------------------------------------
                                          Name:  Edward Grinacoff
                                          Title: Secretary and Treasurer


                          21ST CENTURY COMMUNICATIONS T-E
                          PARTNERS, L.P.

                          By: Sandler Investment Partners, L.P., general partner
                              By: Sandler Capital Management, general partner
                                  By: ARH Corp., general partner


                                      By: /s/ Edward Grinacoff
                                          --------------------------------------
                                          Name: Edward Grinacoff
                                          Title: Secretary and Treasurer


                          21ST CENTURY COMMUNICATIONS FOREIGN
                          PARTNERS, L.P.

                          By: Sandler Investment Partners, L.P., general partner
                              By: Sandler Capital Management, general partner
                                  By: ARH Corp., general partner


                                      By: /s/ Edward Grinacoff
                                          --------------------------------------
                                          Name: Edward Grinacoff
                                          Title: Secretary and Treasurer



                                  Page 43 of 44

<PAGE>


                                              /s/ Michael J. Marocco
                                              ----------------------------------
                                              Michael J. Marocco


                                              /s/ John Kornreich
                                              ----------------------------------
                                              John Kornreich


                                              /s/ Harvey Sandler
                                              ----------------------------------
                                              Harvey Sandler


                                              /s/ Andrew Sandler
                                              ----------------------------------
                                              Andrew Sandler


                                              /s/ Douglas Schimmel
                                              ----------------------------------
                                              Douglas Schimmel


                                              /s/ Hannah Stone
                                              ----------------------------------
                                              Hannah Stone


                                              /s/ David Lee
                                              ----------------------------------
                                              David Lee



ATTENTION:  INTENTIONAL  MISSTATEMENTS  OR OMISSIONS OF FACT CONSTITUTE  FEDERAL
CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001).


                                  Page 44 of 44



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