organizing, arranging, conducting and promoting trade show exhibitions and business conferences in the fields of computer hardware, software, telecommunications, document management systems, high technology and development of computer programs and systems; licensing of computer technology; providing an on-line computer database featuring business information in the fields of business communication and commerce via the Internet; on-line business consultation and management services via the Internet; mail order services and computerized on-line retail services in the fields of computer hardware and software, network software, workgroup software, document management software, electronic devices and publications on computer hardware and software; advertising and marketing services, namely, promoting the goods and services of others by providing a website with links to others' websites and by placing advertisements for the goods and services of others on a website accessed via computer networks, wireless networks and the Internet; dissemination of advertising for others via electronic mail and over computer networks, wireless networks and the Internet; providing management assistance, namely, assisting others in direct electronic mail advertising, and assisting others in placing and running advertisements on computer networks and the Internet; promoting the goods and services of others by providing hypertext links to the websites of others; procurement, namely, purchasing office equipment for others; and providing databases featuring business news and information