Electronic commerce, computerized business information retrieval and storage services; computerized database management; computerized file management; providing information to customers via computer networks in the form of shopping guides; promoting the computer network based consumer information services of others through advertising and the operation of a computer network based consumer information site; providing links to the computer network sites of reail stores; assisting consumers with purchasing the products and services of others via global computer networks; providing information in the field of business via global computer networks; business management and advertising services for others and providing business directory information hotline, providing classified advertising services via global computer network