<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> MAR-31-1999 <CASH> 45,123,000 <SECURITIES> 16,487,000 <RECEIVABLES> 38,718,000 <ALLOWANCES> 1,497,000 <INVENTORY> 0 <CURRENT-ASSETS> 102,487,000 <PP&E> 23,112,000 <DEPRECIATION> 5,961,000 <TOTAL-ASSETS> 124,279,000 <CURRENT-LIABILITIES> 31,766,000 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 38,000 <OTHER-SE> 90,633,000 <TOTAL-LIABILITY-AND-EQUITY> 124,279,000 <SALES> 23,124,000 <TOTAL-REVENUES> 35,784,000 <CGS> 520,000 <TOTAL-COSTS> 7,129,000 <OTHER-EXPENSES> 26,114,000 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 92,000 <INCOME-PRETAX> 2,999,000 <INCOME-TAX> 1,140,000 <INCOME-CONTINUING> 1,859,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,859,000 <EPS-PRIMARY> 0.05 <EPS-DILUTED> 0.05