<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Consolidated Balance Sheet at June 30, 1999, and the Consolidated Statement of
Operations for the six months eneded June 30, 1999, and is qualified in its
entirety by reference to these financial statements.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                          92,206
<SECURITIES>                                    62,454
<RECEIVABLES>                                   17,136
<ALLOWANCES>                                       676
<INVENTORY>                                          0
<CURRENT-ASSETS>                               175,921
<PP&E>                                          19,022
<DEPRECIATION>                                   9,162
<TOTAL-ASSETS>                                 196,755
<CURRENT-LIABILITIES>                           32,064
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            50
<OTHER-SE>                                     164,105
<TOTAL-LIABILITY-AND-EQUITY>                   196,755
<SALES>                                         34,318
<TOTAL-REVENUES>                                34,318
<CGS>                                                0
<TOTAL-COSTS>                                   13,974
<OTHER-EXPENSES>                                25,716
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                (2,145)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (2,145)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (2,145)
<EPS-BASIC>                                      (.00)
<EPS-DILUTED>                                    (.00)