EXHIBIT 1

                                    EXHIBIT 1

         The undersigned  agree that the statement on Schedule 13D to which this
agreement is attached is filed on behalf of each of them.

Dated:  March 4, 1999

                                           LABTEC CORPORATION                   
                                                                                
                                                                                
                                           By: /s/  ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇            
                                               -------------------------------- 
                                               ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇, Vice President 
                                                                                
                                                                                
                                           SUN MULTIMEDIA PARTNERS, L.P.        
                                           By:    Sun Multimedia Advisors, Inc. 
                                                  its General Partner           
                                                                                
                                           By: /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇             
                                               -------------------------------- 
                                                   ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇, President  
                                                         and Treasurer          
                                                                                
                                                                                
                                           SUN MULTIMEDIA ADVISORS, INC.        
                                                                                
                                                                                
                                           By: /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇             
                                               -------------------------------- 
                                                   ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇, President  
                                                    and Treasurer               
                                                                                
                                                                                
                                                        /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇    
                                               -------------------------------- 
                                                            ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇    
                                                                                
                                                                   
                                                       /s/  ▇▇▇▇ ▇. ▇▇▇▇▇       
                                               -------------------------------- 
                                                            ▇▇▇▇ ▇. ▇▇▇▇▇