<ARTICLE>                     5
<LEGEND>
 THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL
STATEMENTS FOR THE PERIOD ENDED JUNE 30, 1999 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                              DEC-31-1998
<PERIOD-START>                                 JAN-01-1999
<PERIOD-END>                                   JUN-30-1999
<CASH>                                              58,012
<SECURITIES>                                        27,340
<RECEIVABLES>                                       48,487
<ALLOWANCES>                                         2,195
<INVENTORY>                                              0
<CURRENT-ASSETS>                                   159,977
<PP&E>                                              45,455
<DEPRECIATION>                                       9,397
<TOTAL-ASSETS>                                     340,557
<CURRENT-LIABILITIES>                               61,748
<BONDS>                                              1,598
<PREFERRED-MANDATORY>                                    0
<PREFERRED>                                              0
<COMMON>                                             3,845
<OTHER-SE>                                         269,458
<TOTAL-LIABILITY-AND-EQUITY>                       340,557
<SALES>                                                  0
<TOTAL-REVENUES>                                   114,841
<CGS>                                                    0
<TOTAL-COSTS>                                       62,114
<OTHER-EXPENSES>                                    34,397
<LOSS-PROVISION>                                       150
<INTEREST-EXPENSE>                                       4
<INCOME-PRETAX>                                     20,856
<INCOME-TAX>                                         8,620
<INCOME-CONTINUING>                                 12,236
<DISCONTINUED>                                           0
<EXTRAORDINARY>                                          0
<CHANGES>                                                0
<NET-INCOME>                                        12,236
<EPS-BASIC>                                         0.37
<EPS-DILUTED>                                         0.32