<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM (A) THE COMPANY'S QUARTER ENDED JUNE 30, 1997 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH (B) FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 44,740 <SECURITIES> 0 <RECEIVABLES> 13,828 <ALLOWANCES> 364 <INVENTORY> 0 <CURRENT-ASSETS> 59,808 <PP&E> 5,865 <DEPRECIATION> 2,391 <TOTAL-ASSETS> 64,069 <CURRENT-LIABILITIES> 18,780 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 33,114 <OTHER-SE> 11,678 <TOTAL-LIABILITY-AND-EQUITY> 64,069 <SALES> 29,053 <TOTAL-REVENUES> 29,053 <CGS> 4,904 <TOTAL-COSTS> 4,904 <OTHER-EXPENSES> 19,871 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 56 <INCOME-PRETAX> 4,983 <INCOME-TAX> 1,794 <INCOME-CONTINUING> 3,189 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,189 <EPS-PRIMARY> 0.15 <EPS-DILUTED> 0.15