Advertising and marketing services, namely, promoting the goods and services of others; Operating on-line marketplaces featuring evaulations, ratings and information about the availability, quality, performance, value, pricing, and distribution of goods and services via electronic communication networks; Operating on-line marketplaces for sellers and buyers of goods and/or services; Electronic commerce services, namely, providing information about products via telecommunication networks for advertising and sales purposes; Providing a website featuring an online marketplace for exchanging goods and services with other users; Providing an on-line computer database in the field of locating products, describing products, rating products, pricing products and comparing prices of products; Providing on-line auction services