<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> DEC-31-1999 <CASH> 2,656,116 <SECURITIES> 0 <RECEIVABLES> 158,301 <ALLOWANCES> 55,300 <INVENTORY> 0 <CURRENT-ASSETS> 2,891,678 <PP&E> 813,592 <DEPRECIATION> 529,111 <TOTAL-ASSETS> 3,176,159 <CURRENT-LIABILITIES> 923,735 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 23,177,865 <OTHER-SE> (21,012,189) <TOTAL-LIABILITY-AND-EQUITY> 3,176,159 <SALES> 477,497 <TOTAL-REVENUES> 477,497 <CGS> 201,182 <TOTAL-COSTS> 6,475,056 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 59,189 <INCOME-PRETAX> (6,138,603) <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (6,138,603) <EPS-BASIC> (1.15) <EPS-DILUTED> (1.15)