<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C> <C>
<PERIOD-TYPE> 12-MOS 3-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-2000
<PERIOD-START> JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1999 MAR-31-2000
<CASH> 89,234,044 69,623,398
<SECURITIES> 0 0
<RECEIVABLES> 839,959 1,234,780
<ALLOWANCES> 35,000 75,000
<INVENTORY> 0 0
<CURRENT-ASSETS> 90,747,603 72,730,522
<PP&E> 21,444,816 30,740,924
<DEPRECIATION> 1,905,558 3,347,535
<TOTAL-ASSETS> 110,408,093 103,277,499
<CURRENT-LIABILITIES> 10,758,263 11,053,491
<BONDS> 0 0
111,321,637 116,671,636
502,500 502,500
<COMMON> 864 1,387
<OTHER-SE> (14,435,414) (26,854,266)
<TOTAL-LIABILITY-AND-EQUITY> 110,408,093 103,277,499
<SALES> 2,246,054 1,858,693
<TOTAL-REVENUES> 2,246,054 1,858,693
<CGS> 3,368,129 2,654,077
<TOTAL-COSTS> 3,368,129 2,654,077
<OTHER-EXPENSES> 8,817,302 12,516,054
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 315,800 121,785
<INCOME-PRETAX> (13,047,232) (17,348,097)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (13,047,232) (17,348,097)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (13,047,232) (17,348,097)
<EPS-BASIC> (259.44) (23.23)
<EPS-DILUTED> (259.44) (23.23)
</TABLE>