<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> DEC-31-1999 <CASH> 110,320 <SECURITIES> 28,536 <RECEIVABLES> 7,002 <ALLOWANCES> (529) <INVENTORY> 0 <CURRENT-ASSETS> 149,844 <PP&E> 18,095 <DEPRECIATION> (5,008) <TOTAL-ASSETS> 168,354 <CURRENT-LIABILITIES> 13,978 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 229,724 <OTHER-SE> (79,884) <TOTAL-LIABILITY-AND-EQUITY> 168,354 <SALES> 19,717 <TOTAL-REVENUES> 19,717 <CGS> 8,334 <TOTAL-COSTS> 8,334 <OTHER-EXPENSES> 40,467 <LOSS-PROVISION> 505 <INTEREST-EXPENSE> 292 <INCOME-PRETAX> (27,653) <INCOME-TAX> 0 <INCOME-CONTINUING> (27,653) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (27,987) <EPS-BASIC> (3.07) <EPS-DILUTED> (3.07)