<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED BALANCE SHEETS, CONDENSED STATEMENTS OF OPERATIONS, AND CONDENSED
STATEMENTS OF CASH FLOWS INCLUDED IN THE COMPANY'S FORM 10-Q FOR THE PERIOD
ENDED MARCH 31, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS AND THE NOTES THERETO.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                         145,099
<SECURITIES>                                   193,737
<RECEIVABLES>                                    9,184
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                               380,392
<PP&E>                                          25,934
<DEPRECIATION>                                (21,159)
<TOTAL-ASSETS>                                 395,583
<CURRENT-LIABILITIES>                           52,921
<BONDS>                                        300,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             3
<OTHER-SE>                                      40,078
<TOTAL-LIABILITY-AND-EQUITY>                   395,583
<SALES>                                              0
<TOTAL-REVENUES>                                17,896
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                28,541
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,688
<INCOME-PRETAX>                                (9,941)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (9,941)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (9,941)
<EPS-BASIC>                                    (.38)<F1>
<EPS-DILUTED>                                    (.38)
<FN>
<F1>For Purposes of this Exhibit, Primary means Basic.
</FN>