<ARTICLE> 5
<LEGEND>
THE FINANCIAL DATA SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE MARCH 31, 2000 BALANCE SHEET AND THE INCOME STATEMENT FOR THE THREE
MONTHS ENDED MARCH 31, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                       4,605,710
<SECURITIES>                                 1,987,500
<RECEIVABLES>                                  140,788
<ALLOWANCES>                                    54,225
<INVENTORY>                                          0
<CURRENT-ASSETS>                             6,800,845
<PP&E>                                         813,592
<DEPRECIATION>                                 572,150
<TOTAL-ASSETS>                               7,042,287
<CURRENT-LIABILITIES>                          889,083
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                    28,342,402
<OTHER-SE>                                (22,258,224)
<TOTAL-LIABILITY-AND-EQUITY>                 7,042,287
<SALES>                                         85,830
<TOTAL-REVENUES>                                85,830
<CGS>                                           64,068
<TOTAL-COSTS>                                1,301,403
<OTHER-EXPENSES>                              (40,964)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               7,359
<INCOME-PRETAX>                            (1,246,036)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (1,246,036)
<EPS-BASIC>                                     (0.07)
<EPS-DILUTED>                                   (0.07)