<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONDENSED BALANCE SHEETS AS OF JUNE 30, 2000, AND THE RELATED
CONDENSED STATEMENTS OF OPERATIONS FOR THE SIX MONTHS ENDED JUNE 30, 2000 AND
THE NOTES THERETO, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
CONDENSED FINANCIAL STATEMENTS AND NOTES.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 131,923
<SECURITIES> 69,256
<RECEIVABLES> 7,642
<ALLOWANCES> 0
<INVENTORY> 55
<CURRENT-ASSETS> 211,629
<PP&E> 12,823
<DEPRECIATION> 6,207
<TOTAL-ASSETS> 225,365
<CURRENT-LIABILITIES> 10,795
<BONDS> 0
0
0
<COMMON> 35
<OTHER-SE> 191,232
<TOTAL-LIABILITY-AND-EQUITY> 225,365
<SALES> 0
<TOTAL-REVENUES> 9,780
<CGS> 0
<TOTAL-COSTS> 0
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (6,174)
<INCOME-TAX> 150
<INCOME-CONTINUING> (6,324)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (6,324)
<EPS-BASIC> (0.25)
<EPS-DILUTED> (0.25)
</TABLE>