<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FINANCIAL STATEMENTS AS OF DECEMBER 31, 1999 AND THE NINE MONTHS
ENDING SEPTEMBER 30, 2000 AND 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 9-MOS 9-MOS
<FISCAL-YEAR-END> SEP-30-2000 SEP-30-1999
<PERIOD-START> JAN-01-2000 JAN-01-1999
<PERIOD-END> SEP-30-2000 SEP-30-1999
<CASH> 269,379 0
<SECURITIES> 3,510 0
<RECEIVABLES> 3,114 0
<ALLOWANCES> 0 0
<INVENTORY> 8,804 0
<CURRENT-ASSETS> 286,780 0
<PP&E> 22,173 0
<DEPRECIATION> 8,028 0
<TOTAL-ASSETS> 301,325 0
<CURRENT-LIABILITIES> 17,095 0
<BONDS> 4,168 0
0 0
0 0
<COMMON> 5 0
<OTHER-SE> 280,062 0
<TOTAL-LIABILITY-AND-EQUITY> 301,325 0
<SALES> 7,077 0
<TOTAL-REVENUES> 7,077 0
<CGS> 5,439 0
<TOTAL-COSTS> 72,052 30,787
<OTHER-EXPENSES> 0 0
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 555 527
<INCOME-PRETAX> (66,281) (30,648)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (66,281) (30,648)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (66,281) (30,648)
<EPS-BASIC> (4.56) (9.54)
<EPS-DILUTED> (4.56) (9.54)
</TABLE>