Arranging and conducting business conferences; Computerized database management; Computerized on-line ordering services in the field of clothing, furniture, athletic gear, games and toys, household appliances, carpets, cosmetics, electronics, vitamins, and audio, visual and audio-visual entertainment media; Conducting business surveys; Cooperative advertising and marketing; Developing promotional campaigns for business; Dissemination of advertising for others via an on-line communications network on the internet; Preparing and placing of advertisements; Preparing audiovisual presentations for use in advertising