<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> MAR-31-1997 <CASH> 116,364 <SECURITIES> 27,604 <RECEIVABLES> 100,018 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 278,939 <PP&E> 107,665 <DEPRECIATION> 0 <TOTAL-ASSETS> 415,948 <CURRENT-LIABILITIES> 120,694 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 297,835 <OTHER-SE> (7,047) <TOTAL-LIABILITY-AND-EQUITY> 415,948 <SALES> 101,559 <TOTAL-REVENUES> 101,559 <CGS> 47,827 <TOTAL-COSTS> 47,827 <OTHER-EXPENSES> 85,876 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 266 <INCOME-PRETAX> (31,629) <INCOME-TAX> (3,480) <INCOME-CONTINUING> (28,149) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (28,149) <EPS-PRIMARY> (.43) <EPS-DILUTED> (.43)