<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND THE CONSOLIDATED STATEMENTS OF OPERATIONS FILED
AS PART OF THE QUARTERLY REPORT ON FORM 10-Q AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JAN-31-2001
<PERIOD-START> FEB-01-2000
<PERIOD-END> JUL-31-2000
<CASH> 76,616
<SECURITIES> 2,003
<RECEIVABLES> 3,142
<ALLOWANCES> 1,587
<INVENTORY> 0
<CURRENT-ASSETS> 89,067
<PP&E> 2,800
<DEPRECIATION> 0
<TOTAL-ASSETS> 94,994
<CURRENT-LIABILITIES> 16,906
<BONDS> 0
0
0
<COMMON> 169
<OTHER-SE> 76,826
<TOTAL-LIABILITY-AND-EQUITY> 94,994
<SALES> 11,168
<TOTAL-REVENUES> 15,945
<CGS> 2,329
<TOTAL-COSTS> 5,684
<OTHER-EXPENSES> 24,997
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 21,698
<INCOME-TAX> 300
<INCOME-CONTINUING> 21,398
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 21,398
<EPS-BASIC> 1.29
<EPS-DILUTED> 1.23
</TABLE>