<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
[TO COME]
ANS IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C> <C> <C>
<PERIOD-TYPE> 3-MOS YEAR YEAR YEAR
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-1999 DEC-31-1998 DEC-31-1997
<PERIOD-START> JAN-01-2000 JAN-01-1999 JAN-01-1998 JAN-01-1997
<PERIOD-END> MAR-31-2000 DEC-31-1999 DEC-31-1998 DEC-31-1997
<CASH> 6,923 9,316 1,597 1,422
<SECURITIES> 0 0 0 0
<RECEIVABLES> 8,157 5,050 5,479 4,594
<ALLOWANCES> 276 223 156 39
<INVENTORY> 0 0 0 0
<CURRENT-ASSETS> 16,468 15,376 7,601 6,351
<PP&E> 5,731 4,161 3,639 3,218
<DEPRECIATION> 1,945 1,778 2,224 1,535
<TOTAL-ASSETS> 26,247 19,110 9,898 8,616
<CURRENT-LIABILITIES> 13,432 15,232 7,859 4,184
<BONDS> 0 0 0 0
41,999 23,751 0 0
0 0 0 0
<COMMON> 361 341 0 0
<OTHER-SE> (30,932) (21,127) (12,922) (12,119)
<TOTAL-LIABILITY-AND-EQUITY> 26,247 19,110 9,898 8,616
<SALES> 0 0 0 0
<TOTAL-REVENUES> 6,473 19,448 13,664 11,694
<CGS> 0 0 0 0
<TOTAL-COSTS> 3,169 11,184 6,339 4,264
<OTHER-EXPENSES> 19,099 28,604 16,794 17,073
<LOSS-PROVISION> 0 0 0 0
<INTEREST-EXPENSE> 0 0 0 0
<INCOME-PRETAX> (15,716) (20,319) (9,675) (9,417)
<INCOME-TAX> 30 94 (45) 244
<INCOME-CONTINUING> (15,746) (20,413) (9,630) (9,661)
<DISCONTINUED> 0 0 0 0
<EXTRAORDINARY> 0 0 0 0
<CHANGES> 0 0 0 0
<NET-INCOME> (15,746) (20,413) (9,630) (9,661)
<EPS-BASIC> (0.51) (0.60) (0.28) (0.28)
<EPS-DILUTED> (0.51) (0.60) (0.28) (0.28)
</TABLE>