<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF OPERATIONS FOUND ON
PAGES 3 AND 4 OF THE COMPANY'S 10-Q FOR THE PERIOD ENDED MARCH 31, 1999.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                          58,448
<SECURITIES>                                   205,482
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                               272,043<F1>
<PP&E>                                          12,132<F2>
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                 288,619
<CURRENT-LIABILITIES>                           29,308
<BONDS>                                            375
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          1
<COMMON>                                            31
<OTHER-SE>                                     258,904
<TOTAL-LIABILITY-AND-EQUITY>                   288,619
<SALES>                                          1,445
<TOTAL-REVENUES>                                 4,937
<CGS>                                              134
<TOTAL-COSTS>                                   24,287
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                               (15,787)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (15,787)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (15,787)
<EPS-PRIMARY>                                   (0.51)
<EPS-DILUTED>                                   (0.51)
<FN>
<F1>CURRENT ASSETS INCLUDE RECEIVABLES, ALLOWANCES,
INVENTORY AND OTHER CURRENT ASSETS.
<F2>PP&E IS NET OF ACCUMULATED DEPRECIATION.
</FN>