<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> DEC-01-1997 <EXCHANGE-RATE> 1 <CASH> 37,569 <SECURITIES> 14,234 <RECEIVABLES> 9,382 <ALLOWANCES> 1,100 <INVENTORY> 0 <CURRENT-ASSETS> 65,830 <PP&E> 18,468 <DEPRECIATION> 10,167 <TOTAL-ASSETS> 97,475 <CURRENT-LIABILITIES> 21,956 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 339 <OTHER-SE> 75,519 <TOTAL-LIABILITY-AND-EQUITY> 97,475 <SALES> 50,639 <TOTAL-REVENUES> 67,734 <CGS> 11,624 <TOTAL-COSTS> 21,129 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 200 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (56,608) <INCOME-TAX> 1,208 <INCOME-CONTINUING> (57,816) <DISCONTINUED> 1,217 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (56,599) <EPS-PRIMARY> (1.67) <EPS-DILUTED> (1.67)