<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> APR-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 45,450 <SECURITIES> 102,453 <RECEIVABLES> 47,502 <ALLOWANCES> (3,790) <INVENTORY> 665 <CURRENT-ASSETS> 153,234 <PP&E> 25,085 <DEPRECIATION> (11,902) <TOTAL-ASSETS> 249,160 <CURRENT-LIABILITIES> 27,371 <BONDS> 100,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 26 <OTHER-SE> 121,690 <TOTAL-LIABILITY-AND-EQUITY> 249,160 <SALES> 43,141 <TOTAL-REVENUES> 43,141 <CGS> 15,245 <TOTAL-COSTS> 15,245 <OTHER-EXPENSES> 39,425 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,396 <INCOME-PRETAX> (10,926) <INCOME-TAX> 1,790 <INCOME-CONTINUING> (12,716) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (12,716) <EPS-PRIMARY> (0.50) <EPS-DILUTED> (0.50)