MOBILE RADIO COMMUNICATION; CELLULAR TELEPHONE SERVICES; ELECTRONIC DATA INTERCHANGE (EDI) SERVICES; ELECTRONIC MAIL SERVICES; DELIVERY OF MESSAGES BY ELECTRONIC TRANSMISSION; ELECTRONIC TRANSMISSION OF DATA AND DOCUMENTS VIA COMPUTER TERMINALS; ELECTRONIC TRANSMISSION OF MESSAGES AND DATA; ELECTRONIC VOICE MESSAGING, NAMELY, THE RECORDING, STORAGE AND SUBSEQUENT TRANSMISSION OF VOICE MESSAGES BY TELEPHONE; PROVIDING ON-LINE CHAT ROOMS FOR TRANSMISSION OF MESSAGES AMONG COMPUTER USERS CONCERN...