Providing home shopping services via a computer network; providing advertising for others via a computer network; computerized on-line retail, retail store, and ordering services in the fields of consumer electronics, vehicles, toys and games, books and magazines, clothing, video games, computers and peripherals, apparel, jewelry, computer software, gifts, appliances, recorded music, office supplies, bedroom and bath products, cookware and bakeware, lawn and gardening supplies, flatware and cutlery, paints and painting supplies, automotive accessories, artwork, arts and crafts supplies, kitchen accessories, furniture, outdoor leisure products, sporting goods, luggage, seeds and bulbs, tools, movies and videos, health and beauty supplies, flowers, cards, baby supplies, pet supplies, cameras and camera equipment, and fitness supplies and equipment; dissemination of advertising for others via an on-line communications network; promoting goods and services of others thru dissemination and advertising for others via an on-line electronic communications network; preparation and dissemination of advertising matter; promoting the good and services of others thru promotional contests and sweepstakes via a global computer network; cooperative advertising and marketing; rental of advertising space