<ARTICLE> 5
<MULTIPLIER>  1,000

                                                                        
<PERIOD-TYPE>                                    3-MOS                      6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000                DEC-31-2000
<PERIOD-START>                             APR-01-2000                JAN-01-2000
<PERIOD-END>                               JUN-30-2000                JUN-30-2000
<CASH>                                          80,983                     80,983
<SECURITIES>                                    57,230                     57,230
<RECEIVABLES>                                   70,395                     70,395
<ALLOWANCES>                                    (7,457)                    (7,457)
<INVENTORY>                                          0                          0
<CURRENT-ASSETS>                               218,645                    218,645
<PP&E>                                          61,446                     61,446
<DEPRECIATION>                                 (26,861)                   (26,861)
<TOTAL-ASSETS>                                 538,456                    538,456
<CURRENT-LIABILITIES>                           82,101                     82,101
<BONDS>                                        100,000                    100,000
<PREFERRED-MANDATORY>                                0                          0
<PREFERRED>                                          0                          0
<COMMON>                                            27                         27
<OTHER-SE>                                     336,148                    336,148
<TOTAL-LIABILITY-AND-EQUITY>                   538,456                    538,456
<SALES>                                         67,432                    121,995
<TOTAL-REVENUES>                                67,432                    121,995
<CGS>                                          (32,083)                   (59,750)
<TOTAL-COSTS>                                  (32,083)                   (59,750)
<OTHER-EXPENSES>                               (58,713)                  (100,148)
<LOSS-PROVISION>                                (1,075)                    (1,797)
<INTEREST-EXPENSE>                              (1,342)                    (2,684)
<INCOME-PRETAX>                                (25,781)                   (42,384)
<INCOME-TAX>                                    (5,636)                   (10,023)
<INCOME-CONTINUING>                            (20,145)                   (32,361)
<DISCONTINUED>                                       0                          0
<EXTRAORDINARY>                                      0                          0
<CHANGES>                                            0                          0
<NET-INCOME>                                   (20,145)                   (32,361)
<EPS-BASIC>                                    (0.75)                     (1.22)
<EPS-DILUTED>                                    (0.75)                     (1.22)