<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM UNAUDITED
FINANCIAL STATEMENTS AS OF SEPTEMBER 30, 2000 AND FOR THE NINE MONTHS ENDED AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 118,210
<SECURITIES> 40,456
<RECEIVABLES> 1,144
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 162,492
<PP&E> 9,538
<DEPRECIATION> 2,678
<TOTAL-ASSETS> 186,119
<CURRENT-LIABILITIES> 7,558
<BONDS> 612
0
0
<COMMON> 32
<OTHER-SE> 173,600
<TOTAL-LIABILITY-AND-EQUITY> 186,119
<SALES> 0
<TOTAL-REVENUES> 4,907
<CGS> 0
<TOTAL-COSTS> 33,684
<OTHER-EXPENSES> 68
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 191
<INCOME-PRETAX> (25,938)
<INCOME-TAX> 0
<INCOME-CONTINUING> (25,938)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (25,938)
<EPS-BASIC> (3.05)
<EPS-DILUTED> (3.05)
</TABLE>