automated and computerized trading of goods and services for others provided over a global communication information network; on-line trading services in which seller posts items to be sold at a set price, or alternatively to be offered in an auction-style format where bidding is done electronically; providing an on-line database in the field of business information available via a global computer network; providing evaluative feedback and ratings of sellers' goods and services, the value and prices of sellers' goods, buyers' and sellers' performance, delivery and overall trading experience in connection therewith; dissemination of advertising for others via an on-line electronic communications network; computerized database management services; dissemination of advertising for others via electronic kiosks; automated and computerized trading of goods and services for others provided via electronic kiosks