On-line retail store services featuring a wide variety of consumer goods of others; On-line trading services in which seller posts products to be auctioned and bidding is done via the Internet; Operating on-line marketplaces for sellers of goods and/or services; Preparing business reports; Preparing computer slide transparencies for use by business; Preparing promotional and merchandising material for others; Product merchandising; Promoting the sale of goods and services of others through the distribution of printed material and promotional contests; Providing a web site at which users can offer goods for sale and buy goods offered by others; Providing a web site which features advertisements for the goods and services of others on a global computer network; Providing a website whereby buyers of goods or services locate and receive quotations from multiple competitive sources and sellers of goods or services identify and bid on multiple new sales opportunities; Providing business marketing information; Providing information about the goods and services of others via the global computer network; Providing online directory information services also featuring hyperlinks to other websites; Providing statistical information; Providing trade information; Public opinion polling for business or advertising purposes; Retail store services featuring a wide variety of consumer goods of others; Shoppers' guide information; Shopping by researchers who pose as customers to evaluate the quality of service delivered; Trade information; Supermarkets Providing consumer product information via the Internet; Promoting the goods and services of others by preparing and placing advertisements in an electronic magazine accessed through a. global computer network; Promoting the goods and services of others through the distribution of discount cards; Promoting the goods and services of others by providing hypertext links to the web sites of others; Promoting the goods and services of others by means of operating an on-line shopping mall with links to the retail web sites of others; Promoting the goods and services of others through on-line ordering and cataloging of those goods and services; Profit survey and analysis; Conducting marketing studies; Consumer research