<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> DEC-31-1999 <CASH> 158,043 <SECURITIES> 285,116 <RECEIVABLES> 24,582 <ALLOWANCES> 632 <INVENTORY> 0 <CURRENT-ASSETS> 377,833 <PP&E> 20,588 <DEPRECIATION> 8,172 <TOTAL-ASSETS> 513,378 <CURRENT-LIABILITIES> 55,663 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 2 <OTHER-SE> 457,713 <TOTAL-LIABILITY-AND-EQUITY> 513,378 <SALES> 102,606 <TOTAL-REVENUES> 102,606 <CGS> 45,272 <TOTAL-COSTS> 45,272 <OTHER-EXPENSES> 41,502 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (6,609) <INCOME-TAX> 2,425 <INCOME-CONTINUING> (9,034) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (9,034) <EPS-BASIC> (0.10) <EPS-DILUTED> (0.10)