On-line advertising services for the promotion of businesses and the goods and services of others; providing a searchable database of businesses, goods, and services via a global computer network; on-line retailing of goods and services through on-line retail stores featuring general merchandise and general consumer goods and on-line auctioning services; promoting the goods and services of others through on-line retail stores and on-line auctioning; 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