<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF OPERATIONS FOUND ON
PAGES F-3 AND F-4 OF THE COMPANY'S FORM S-1 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C> <C> <C> <C>
<PERIOD-TYPE> YEAR YEAR YEAR YEAR
<FISCAL-YEAR-END> DEC-31-1997 DEC-31-1998 DEC-31-1999 DEC-31-2000
<PERIOD-START> JAN-01-1997 JAN-01-1998 JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1997 DEC-31-1998 DEC-31-1999 JUN-30-2000
<CASH> 0 1,039,315 19,224,906 17,087,168
<SECURITIES> 0 0 0 0
<RECEIVABLES> 0 416,040 1,014,638 1,698,221
<ALLOWANCES> 0 0 0 0
<INVENTORY> 0 0 0 0
<CURRENT-ASSETS> 0 1,590,603 20,612,172 18,785,389
<PP&E> 0 336,270 396,935 601,142
<DEPRECIATION> 0 (38,825) (81,954) (130,420)
<TOTAL-ASSETS> 0 1,997,048 21,036,632 19,282,920
<CURRENT-LIABILITIES> 0 591,468 1,180,909 2,738,473
<BONDS> 0 0 0 0
0 0 0 0
0 1,692 4,861 7,306
<COMMON> 0 1,457 2,721 2,770
<OTHER-SE> 0 0 0 0
<TOTAL-LIABILITY-AND-EQUITY> 0 1,997,048 21,036,632 19,282,920
<SALES> 0 0 0 0
<TOTAL-REVENUES> 0 810,607 1,124,605 981,828
<CGS> 0 0 0 0
<TOTAL-COSTS> 0 0 0 0
<OTHER-EXPENSES> 1,382,412 2,083,553 7,603,658 10,657,208
<LOSS-PROVISION> 0 0 0 0
<INTEREST-EXPENSE> 3,065 15,464 122,496 63,028
<INCOME-PRETAX> (1,300,163) (1,192,343) (6,228,002) (9,032,380)
<INCOME-TAX> 0 0 0 0
<INCOME-CONTINUING> (1,300,163) (1,192,343) (6,228,002) (9,032,380)
<DISCONTINUED> 0 0 0 0
<EXTRAORDINARY> 0 0 0 0
<CHANGES> 0 0 0 0
<NET-INCOME> (1,300,163) (1,192,343) (6,228,002) (9,032,380)
<EPS-BASIC> (0.61) (0.56) (7.45) (3.76)
<EPS-DILUTED> (0.61) (0.56) (7.45) (3.76)
</TABLE>