<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> YEAR YEAR
<FISCAL-YEAR-END> APR-30-2000 APR-30-1999
<PERIOD-START> MAY-01-1999 MAY-01-1998
<PERIOD-END> APR-30-2000 APR-30-1999
<CASH> 91,532 2,291
<SECURITIES> 33,788 0
<RECEIVABLES> 3,462 1,474
<ALLOWANCES> (350) (121)
<INVENTORY> 4,741 932
<CURRENT-ASSETS> 134,373 4,636
<PP&E> 5,860 1,716
<DEPRECIATION> (1,139) (365)
<TOTAL-ASSETS> 140,734 6,716
<CURRENT-LIABILITIES> 7,938 3,849
<BONDS> 0 0
0 0
0 1
<COMMON> 4 1
<OTHER-SE> 132,626 (346)
<TOTAL-LIABILITY-AND-EQUITY> 140,734 6,716
<SALES> 29,277 7,036
<TOTAL-REVENUES> 29,277 7,036
<CGS> 11,212 3,297
<TOTAL-COSTS> 43,306 12,968
<OTHER-EXPENSES> 38,405 3,776
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 747 357
<INCOME-PRETAX> (60,613) (13,202)
<INCOME-TAX> 73 0
<INCOME-CONTINUING> (60,686) (13,202)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (60,686) (13,202)
<EPS-BASIC> (3.31) (2.17)
<EPS-DILUTED> (3.31) (2.17)
</TABLE>