<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM UNAUDITED
CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 6-MOS 12-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-2000
<PERIOD-START> JAN-01-2000 JAN-01-1999
<PERIOD-END> JUN-30-2000 DEC-31-1999
<CASH> 239,530 80,023
<SECURITIES> 0 0
<RECEIVABLES> 9,175 163
<ALLOWANCES> 0 0
<INVENTORY> 38,459 9,649
<CURRENT-ASSETS> 295,944 95,627
<PP&E> 29,725 5,315
<DEPRECIATION> 4,718 2,806
<TOTAL-ASSETS> 325,669 100,942
<CURRENT-LIABILITIES> 21,140 8,681
<BONDS> 0 0
0 0
0 8
<COMMON> 13 3
<OTHER-SE> 304,094 91,717
<TOTAL-LIABILITY-AND-EQUITY> 325,669 100,942
<SALES> 13,117 3,034
<TOTAL-REVENUES> 13,117 3,034
<CGS> 9,719 1,032
<TOTAL-COSTS> 9,719 1,032
<OTHER-EXPENSES> 79,286 49,195
<LOSS-PROVISION> 384 1,367
<INTEREST-EXPENSE> 21 153
<INCOME-PRETAX> (73,542) (46,570)
<INCOME-TAX> 2 2
<INCOME-CONTINUING> (73,544) (46,572)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (77,786) (46,572)
<EPS-BASIC> (0.73) (2.58)
<EPS-DILUTED> (0.73) (2.58)
</TABLE>