<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5

<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                                    6-MOS                   6-MOS                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000             DEC-31-1999             DEC-31-2000             DEC-31-1999
<PERIOD-START>                             JAN-01-2000             JAN-01-1999             APR-01-2000             APR-01-1999
<PERIOD-END>                               JUN-30-2000             JUN-30-1999             JUN-30-2000             JUN-30-1999
<CASH>                                     527,604,000              87,116,000             527,604,000              87,116,000
<SECURITIES>                                74,443,000                       0              74,443,000                       0
<RECEIVABLES>                                6,323,000               5,323,000               6,323,000               5,323,000
<ALLOWANCES>                                         0                       0                       0                       0
<INVENTORY>                                          0                       0                       0                       0
<CURRENT-ASSETS>                            634,803,00              93,644,000             634,803,000              93,644,000
<PP&E>                                     182,949,000              28,767,000             182,949,000              28,767,000
<DEPRECIATION>                            (10,509,000)               (415,000)            (10,509,000)               (415,000)
<TOTAL-ASSETS>                             832,462,000             129,718,000             832,462,000             129,718,000
<CURRENT-LIABILITIES>                       88,371,000              14,871,000              88,371,000              14,871,000
<BONDS>                                    261,675,000              74,582,000             261,675,000              74,582,000
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0              68,407,000                       0              68,407,000
<COMMON>                                   623,895,000               2,087,000             623,895,000               2,087,000
<OTHER-SE>                               (265,196,000)            (29,125,000)           (265,196,000)            (29,125,000)
<TOTAL-LIABILITY-AND-EQUITY>               832,462,000             129,718,000             832,462,000             129,718,000
<SALES>                                      8,136,000                 321,000               5,202,000                 321,000
<TOTAL-REVENUES>                             8,136,000                 321,000               5,202,000                 321,000
<CGS>                                        8,228,000                 564,000               5,254,000                 430,000
<TOTAL-COSTS>                              111,624,000              13,621,000              21,834,000               8,507,000
<OTHER-EXPENSES>                            17,906,000                 266,000              10,076,000                 266,000
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                           8,296,000               4,217,000               6,393,000                       0
<INCOME-PRETAX>                          (120,172,000)            (15,482,000)            (24,326,000)             (9,627,000)
<INCOME-TAX>                                         0                       0                       0                       0
<INCOME-CONTINUING>                      (120,172,000)            (15,482,000)            (24,326,000)             (9,627,000)
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                              1,012,000                       0               1,012,000                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                             (119,160,000)            (15,482,000)            (23,314,000)             (9,627,000)
<EPS-BASIC>                                          0                       0                       0                       0
<EPS-DILUTED>                                        0                       0                       0                       0



</TABLE>