<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> SEP-30-1999 <CASH> 36,545 <SECURITIES> 0 <RECEIVABLES> 77,904 <ALLOWANCES> (3,658) <INVENTORY> 426 <CURRENT-ASSETS> 123,161 <PP&E> 32,011 <DEPRECIATION> (18,669) <TOTAL-ASSETS> 207,000 <CURRENT-LIABILITIES> 98,630 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 355 <OTHER-SE> 98,316 <TOTAL-LIABILITY-AND-EQUITY> 207,000 <SALES> 184,034 <TOTAL-REVENUES> 184,034 <CGS> 106,796 <TOTAL-COSTS> 106,796 <OTHER-EXPENSES> 89,834 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (11,651) <INCOME-TAX> 0 <INCOME-CONTINUING> (11,651) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (11,651) <EPS-BASIC> (0.34) <EPS-DILUTED> (0.34)