Audio broadcasting; Communications by computer terminals; Computer aided transmission of messages and images; Electronic bulletin board services; Electronic transmission of voice, data and images by television and video broadcasting; Providing access to databases; Providing multiple use access to global computer information networks for the transfer and dissemination of a wide range of information; Providing user access to global computer networks; Providing an on-line forum for companies to showcase, display, demonstrate and promote new and innovative ideas, products and services in the convention or meeting management arena; Providing on-line chat rooms and electronic bulletin boards for transmission of messages among users in the field of general interest; Video-on-demand transmission services; Wireless broadcasting