<ARTICLE> 5
<MULTIPLIER> 1,000
       
                                                                      
<PERIOD-TYPE>                   YEAR                                     
<FISCAL-YEAR-END>                          DEC-31-1997             
<PERIOD-START>                             JAN-01-1997                          
<PERIOD-END>                               DEC-31-1997                          
<CASH>                                         139,396                                        
<SECURITIES>                                    16,069                                         
<RECEIVABLES>                                  175,855                                        
<ALLOWANCES>                                    33,807                                         
<INVENTORY>                                      1,609                                         
<CURRENT-ASSETS>                               336,005                                     
<PP&E>                                         263,069                                        
<DEPRECIATION>                               (167,057)                                      
<TOTAL-ASSETS>                                 563,244                                      
<CURRENT-LIABILITIES>                          476,153                                       
<BONDS>                                              0                                             
<PREFERRED-MANDATORY>                                0                                           
<PREFERRED>                                          3                                            
<COMMON>                                         1,526                                        
<OTHER-SE>                                      57,535                                        
<TOTAL-LIABILITY-AND-EQUITY>                   563,244                                       
<SALES>                                        376,570                                 
<TOTAL-REVENUES>                               662,298                                 
<CGS>                                           63,027                                  
<TOTAL-COSTS>                                  229,943                                  
<OTHER-EXPENSES>                               789,691                                  
<LOSS-PROVISION>                                19,929                                   
<INTEREST-EXPENSE>                             (7,811)                                 
<INCOME-PRETAX>                              (349,050)                                  
<INCOME-TAX>                                     7,817                                   
<INCOME-CONTINUING>                          (356,867)                                 
<DISCONTINUED>                                       0                                         
<EXTRAORDINARY>                                      0                                            
<CHANGES>                                            0                                             
<NET-INCOME>                                 (356,867)                                 
<EPS-PRIMARY>                                   (2.36)                                      
<EPS-DILUTED>                                   (2.36)