<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEPT 30,
2000 FORM 10-Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERNCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 3-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-2000
<PERIOD-START> JUL-01-1999 JUL-01-2000
<PERIOD-END> SEP-30-1999 SEP-30-2000
<CASH> 96,357 99,014
<SECURITIES> 20,078 13,902
<RECEIVABLES> 6,117 22,649
<ALLOWANCES> (319) (3,937)
<INVENTORY> 0 19
<CURRENT-ASSETS> 134,180 142,817
<PP&E> 10,630 19,751
<DEPRECIATION> (2,088) (6,206)
<TOTAL-ASSETS> 173,036 184,837
<CURRENT-LIABILITIES> 26,872 38,996
<BONDS> 0 0
0 0
0 0
<COMMON> 85 90
<OTHER-SE> 138,560 87,639
<TOTAL-LIABILITY-AND-EQUITY> 173,036 184,837
<SALES> 13,281 33,364
<TOTAL-REVENUES> 13,281 33,364
<CGS> 2,348 4,771
<TOTAL-COSTS> 2,348 4,771
<OTHER-EXPENSES> 0 0
<LOSS-PROVISION> 334 3,830
<INTEREST-EXPENSE> 17 2,806
<INCOME-PRETAX> (24,009) (12,874)
<INCOME-TAX> 0 41
<INCOME-CONTINUING> (24,009) (12,915)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (24,009) (12,915)
<EPS-BASIC> (0.45) (0.14)
<EPS-DILUTED> (0.45) (0.14)
</TABLE>