<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FORM 10-Q FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2000 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 6-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-2000
<PERIOD-START> APR-01-2000 JAN-01-2000
<PERIOD-END> JUN-30-2000 JUN-30-2000
<CASH> 17,323 0
<SECURITIES> 76,640 0
<RECEIVABLES> 44,937 0
<ALLOWANCES> 1,838 0
<INVENTORY> 0 0
<CURRENT-ASSETS> 154,294 0
<PP&E> 54,446 0
<DEPRECIATION> 23,620 0
<TOTAL-ASSETS> 192,633 0
<CURRENT-LIABILITIES> 62,794 0
<BONDS> 0 0
0 0
0 0
<COMMON> 18 0
<OTHER-SE> 129,821 0
<TOTAL-LIABILITY-AND-EQUITY> 192,633 0
<SALES> 25,499 50,456
<TOTAL-REVENUES> 44,720 86,892
<CGS> 1,518 3,425
<TOTAL-COSTS> 10,911 21,275
<OTHER-EXPENSES> 32,959 65,054
<LOSS-PROVISION> 74 382
<INTEREST-EXPENSE> 4 9
<INCOME-PRETAX> 2,266 2,761
<INCOME-TAX> 748 911
<INCOME-CONTINUING> 1,518 1,850
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 1,518 1,850
<EPS-BASIC> 0.09 0.11
<EPS-DILUTED> 0.08 0.10
</TABLE>