<TABLE> <S> <C>
<PAGE>
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<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> YEAR 3-MOS
<FISCAL-YEAR-END> APR-30-2000 APR-30-2001
<PERIOD-START> MAY-01-1999 MAY-01-2000
<PERIOD-END> APR-30-2000 JUL-31-2000
<CASH> 18,519 31,411
<SECURITIES> 0 0
<RECEIVABLES> 3,569 3,571
<ALLOWANCES> 117 137
<INVENTORY> 0 0
<CURRENT-ASSETS> 23,087 36,541
<PP&E> 2,573 3,029
<DEPRECIATION> (1,273) (1,446)
<TOTAL-ASSETS> 24,587 38,319
<CURRENT-LIABILITIES> 5,916 7,159
<BONDS> 0 0
37,520 55,101
0 0
<COMMON> 6 6
<OTHER-SE> (18,880) (23,968)
<TOTAL-LIABILITY-AND-EQUITY> 24,587 38,319
<SALES> 17,196 5,108
<TOTAL-REVENUES> 17,196 5,108
<CGS> 4,504 1,827
<TOTAL-COSTS> 4,504 1,827
<OTHER-EXPENSES> 21,424 8,098
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> (5) (1)
<INCOME-PRETAX> (8,362) (4,326)
<INCOME-TAX> 242 29
<INCOME-CONTINUING> 0 0
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (10,598) (6,022)
<EPS-BASIC> (1.78) (0.97)
<EPS-DILUTED> (1.78) (0,97)
</TABLE>