Business merchandising display services; Electronic commerce services, namely, providing information about products via telecommunication networks for advertising and sales purposes; On-line advertising and marketing services; On-line trading services in which users post requests for products and negotiate transactions via the Internet; Placing advertisements for others; Promoting the goods and services of others through advertisements on Internet web sites; Providing business information via a web site; Providing space at a web site for the advertisement of the goods and services of others; Provision of an on-line marketplace for buyers and sellers of goods and services; Services for provision of foreign trade information