<ARTICLE> 5

                                                  
<PERIOD-TYPE>                   YEAR                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-2000
<PERIOD-START>                             JAN-01-1999             JAN-01-2000
<PERIOD-END>                               DEC-31-1999             JUN-30-2000
<CASH>                                      21,507,673              24,663,206
<SECURITIES>                                         0                       0
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<PP&E>                                       2,812,820               3,955,849
<DEPRECIATION>                               (776,490)             (1,635,846)
<TOTAL-ASSETS>                              24,370,285              28,028,331
<CURRENT-LIABILITIES>                        5,325,173               4,339,847
<BONDS>                                              0                       0
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<PREFERRED>                                 40,891,126              58,309,311
<COMMON>                                           144                     194
<OTHER-SE>                                (22,789,443)            (32,556,464)
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<SALES>                                              0               1,826,739
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<CGS>                                                0               1,302,936
<TOTAL-COSTS>                                        0               1,302,936
<OTHER-EXPENSES>                            21,409,134              12,195,557
<LOSS-PROVISION>                                     0                       0
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<INCOME-TAX>                                         0                       0
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<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                              (22,338,539)            (12,918,533)
<EPS-BASIC>                                     (1.11)                  (0.38)
<EPS-DILUTED>                                   (1.11)                  (0.38)