Exhibit 4

                       AGREEMENT OF JOINT FILING

     In accordance  with Rule 13d-1(k)  under the Securities and 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, and any  amendments  thereto,  with
respect to the Common Stock, par value $0.0001 per share, of CNET Networks, Inc.
and that this agreement be included as an Exhibit to such filing.

     This Agreement may be executed in any number of counterparts, each of which
shall be deemed to be an original and all of which  together  shall be deemed to
constitute one and the same agreement.

     IN WITNESS WHEREOF,  each of the undersigned hereby executes this Agreement
as of October 27, 2000.

SOFTBANK AMERICA INC.                           SOFTBANK CORPORATION



By:/s/ Stephen A Grant                             By:/s/ Stephen A Grant         
   Name:  Stephen A. Grant                         Name:  Stephen A. Grant
   Title: Secretary                                Title: Attorney-in-Fact


SOFTBANK HOLDINGS INC.                          MASAYOSHI SON



By:/s/ Stephen A Grant                             By:/s/ Stephen A Grant         
   Name:  Stephen A. Grant                         Name:  Stephen A. Grant
   Title: Secretary                                Title: Attorney-in-Fact