<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> YEAR YEAR
<FISCAL-YEAR-END> MAR-31-1999 APR-02-2000
<PERIOD-START> APR-01-1998 APR-01-1999
<PERIOD-END> MAR-31-1999 APR-02-2000
<CASH> 8,616 60,193
<SECURITIES> 1,001 18,006
<RECEIVABLES> 5,009 7,819
<ALLOWANCES> (2,742) (295)
<INVENTORY> 264 409
<CURRENT-ASSETS> 13,380 89,027
<PP&E> 6,571 8,847
<DEPRECIATION> (4,092) (5,625)
<TOTAL-ASSETS> 19,187 181,362
<CURRENT-LIABILITIES> 5,338 18,396
<BONDS> 0 0
0 0
801 0
<COMMON> 4 47
<OTHER-SE> 12,719 161,788
<TOTAL-LIABILITY-AND-EQUITY> 19,187 181,362
<SALES> 9,256 21,777
<TOTAL-REVENUES> 9,256 21,777
<CGS> 3,997 11,239
<TOTAL-COSTS> 24,010 38,856
<OTHER-EXPENSES> (1,749) (2,410)
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 155 200
<INCOME-PRETAX> (17,157) (26,108)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (17,157) (26,108)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (17,157) (26,108)
<EPS-BASIC> (4.46) (1.40)
<EPS-DILUTED> (4.46) (1.40)
</TABLE>