<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> US DOLLARS

                                                  
<PERIOD-TYPE>                   YEAR                   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
<EXCHANGE-RATE>                                      1                       1
<CASH>                                         198,412                 381,010
<SECURITIES>                                         0                       0
<RECEIVABLES>                                       33                     656
<ALLOWANCES>                                       (5)                   (135)
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                               199,144                 383,713
<PP&E>                                          13,292                  49,586
<DEPRECIATION>                                    (97)                   (553)
<TOTAL-ASSETS>                                 215,742                 525,108
<CURRENT-LIABILITIES>                           11,136                  26,735
<BONDS>                                          3,340                 218,233
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                    208,354                 208,354
<COMMON>                                        12,826                  26,003
<OTHER-SE>                                    (18,492)                  44,975
<TOTAL-LIABILITY-AND-EQUITY>                   215,742                 525,108
<SALES>                                              0                       0
<TOTAL-REVENUES>                                   218                     192
<CGS>                                                0                       0
<TOTAL-COSTS>                                      762                   3,521
<OTHER-EXPENSES>                                 8,834                   8,283
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   0                   2,939
<INCOME-PRETAX>                                (8,887)                (11,892)
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                            (8,887)                (11,892)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   (8,887)                (11,892)
<EPS-BASIC>                                     (1.86)                  (1.49)
<EPS-DILUTED>                                   (1.86)                  (1.49)