<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> MAR-31-2000 <CASH> 128,389 <SECURITIES> 55,368 <RECEIVABLES> 64,901 <ALLOWANCES> 6,277 <INVENTORY> 0 <CURRENT-ASSETS> 259,274 <PP&E> 51,127 <DEPRECIATION> 23,570 <TOTAL-ASSETS> 527,342 <CURRENT-LIABILITIES> 62,844 <BONDS> 100,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 27 <OTHER-SE> 345,639 <TOTAL-LIABILITY-AND-EQUITY> 527,342 <SALES> 54,564 <TOTAL-REVENUES> 54,564 <CGS> 27,668 <TOTAL-COSTS> 27,668 <OTHER-EXPENSES> 47,166 <LOSS-PROVISION> 722 <INTEREST-EXPENSE> 1,372 <INCOME-PRETAX> (16,602) <INCOME-TAX> (4,387) <INCOME-CONTINUING> (12,215) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (12,215) <EPS-BASIC> (0.47) <EPS-DILUTED> (0.47)