Joint Filing Agreement

   1
                                   Exhibit 1

                             Joint Filing Agreement

         We, the signatories of the statement on Schedule 13D to which this
Agreement is attached, hereby agree that such statement is, and any amendments
thereto filed by any of us will be, filed on behalf of each of us.



                              GE CAPITAL EQUITY INVESTMENTS, INC.

                              By: /s/ Xxxxxxx X. Xxxxxx
                                 ------------------------------------
                                 Name: Xxxxxxx X. Xxxxxx
                                 Title: Attorney-in-fact


                              GENERAL ELECTRIC CAPITAL CORPORATION

                              By: /s/ Xxxxxxx X. Xxxxxx
                                 ------------------------------------
                                 Name: Xxxxxxx X. Xxxxxx
                                 Title: Attorney-in-fact


                              GENERAL ELECTRIC CAPITAL SERVICES, INC. 

                              By: /s/ Xxxxxxx X. Xxxxxx
                                 ------------------------------------
                                 Name: Xxxxxxx X. Xxxxxx
                                 Title: Attorney-in-fact


                              GENERAL ELECTRIC COMPANY

                              By: /s/ Xxxxxxx X. Xxxxxx
                                 ------------------------------------
                                 Name: Xxxxxxx X. Xxxxxx
                                 Title: Attorney-in-fact


                              NATIONAL BROADCASTING COMPANY, INC.

                              By: /s/ Xxxx Xxxxx
                                 ------------------------------------
                                 Name: Xxxx Xxxxx
                                 Title: Executive Vice President

                              
                              NATIONAL BROADCASTING COMPANY HOLDING, INC.
                              
                              By: /s/ Xxxx Xxxxx
                                 ------------------------------------
                                 Name: Xxxx Xxxxx
                                 Title: Treasurer