<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> SEP-30-1999 <EXCHANGE-RATE> 1 <CASH> 137,205 <SECURITIES> 531,767 <RECEIVABLES> 41,007 <ALLOWANCES> 771 <INVENTORY> 6,359 <CURRENT-ASSETS> 722,976 <PP&E> 39,344 <DEPRECIATION> 6,792 <TOTAL-ASSETS> 776,698 <CURRENT-LIABILITIES> 210,330 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 425 <OTHER-SE> 563,447 <TOTAL-LIABILITY-AND-EQUITY> 776,698 <SALES> 123,073 <TOTAL-REVENUES> 123,073 <CGS> 33,066 <TOTAL-COSTS> 108,537 <OTHER-EXPENSES> 10,350<F1> <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 236,410 <INCOME-TAX> 93,866 <INCOME-CONTINUING> 83,894 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 142,569 <EPS-BASIC> 3.64 <EPS-DILUTED> 3.44 <FN> <F1>OTHER EXPENSES REFERS TO EXPENSES OF $10,350 INCURRED IN CONJUNCTION WITH CERTAIN RESTRUCTURING COSTS INCURRED IN 1999. </FN>