<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED BALANCE SHEET AS OF DECEMBER 31, 1999, AND THE RELATED
STATEMENT OF OPERATIONS FOR THE YEAR ENDED DECEMBER 31, 1999 AND THE NOTES
THERETO, AND FROM ITEM 1 OF THE COMPANY'S FORM 10-Q AS OF MARCH 31, 2000 AND FOR
THE PERIOD ENDED MARCH 31, 2000 AND 1999 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS AND NOTES.
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   YEAR                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-2000             DEC-31-1999
<PERIOD-START>                             JAN-01-1999             JAN-01-2000             JAN-01-1999
<PERIOD-END>                               DEC-31-1999             MAR-31-2000             MAR-31-1999
<CASH>                                          33,804                  50,880                       0
<SECURITIES>                                         0                   2,800                       0
<RECEIVABLES>                                    2,321                   2,966                       0
<ALLOWANCES>                                       218                     175                       0
<INVENTORY>                                          0                       0                       0
<CURRENT-ASSETS>                                37,347                  57,640                       0
<PP&E>                                          10,797                  11,892                       0
<DEPRECIATION>                                   1,323                   1,674                       0
<TOTAL-ASSETS>                                  94,856                 117,575                       0
<CURRENT-LIABILITIES>                           10,073                   7,536                       0
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                           88,946                 118,520                       0
<PREFERRED>                                          1                       1                       0
<COMMON>                                             1                       1                       0
<OTHER-SE>                                     (8,287)                (12,334)                       0
<TOTAL-LIABILITY-AND-EQUITY>                    94,856                 117,575                       0
<SALES>                                              0                   3,113                       0
<TOTAL-REVENUES>                                 1,793                   3,466                     250
<CGS>                                                0                   2,303                       0
<TOTAL-COSTS>                                   24,058                  11,648                   4,411
<OTHER-EXPENSES>                                     0                      76                       0
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                               6,158                     111                       5
<INCOME-PRETAX>                               (28,220)                 (7,579)                 (4,088)
<INCOME-TAX>                                         0                       0                       0
<INCOME-CONTINUING>                           (28,220)                 (7,579)                 (4,088)
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                  (28,220)                 (7,579)                 (4,088)
<EPS-BASIC>                                    (95.87)                 (40.30)                  (5.62)
<EPS-DILUTED>                                  (95.87)                 (40.30)                  (5.62)


</TABLE>