<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S QUARTERLY REPORT ON FORM 10Q FOR THE NINE MONTHS ENDED SEPTEMBER 30,
2000
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> US DOLLARS
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<EXCHANGE-RATE> 1.0
<CASH> 471,429
<SECURITIES> 241,918
<RECEIVABLES> 7,087
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 722,185
<PP&E> 64,934
<DEPRECIATION> 40,243
<TOTAL-ASSETS> 774,563
<CURRENT-LIABILITIES> 199,837
<BONDS> 506,669
0
0
<COMMON> 546
<OTHER-SE> 226,059
<TOTAL-LIABILITY-AND-EQUITY> 774,563
<SALES> 9,143
<TOTAL-REVENUES> 58,423
<CGS> 3,119
<TOTAL-COSTS> 82,704
<OTHER-EXPENSES> 14,768
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 5,302
<INCOME-PRETAX> (28,404)
<INCOME-TAX> 0
<INCOME-CONTINUING> (28,404)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (28,404)
<EPS-BASIC> (0.54)
<EPS-DILUTED> (0.54)
</TABLE>