Administrative processing of purchase orders; on-line trading services in which seller posts products to be auctioned and bidding is done via the internet; auction services; online ordering and on-line retail and wholesale services featuring general merchandise and general consumer goods; dissemination of advertising for others via an on-line electronic communications network; promoting the goods and services of others through an on-line searchable database; operating online marketplace for sellers and buyers of goods and/or services; retail department stores; retail on-line department stores; retail convenience stores; retail on-line convenience stores; computerized on-line ordering featuring general merchandise and general consumer goods; providing an on-line commercial information directory; providing a web site whereby buyers of goods or services locate and receive quotations from multiple competitive sources and sellers of goods or services identify and bid on multiple new sales opportunities; online retail grocery store services; online retail services for clothing, jewelry, baby products, home entertainment electronics, cosmetics and beauty products, fashion accessories, gourmet food products, non-alcoholic beverages, health care products, kitchenware, lawn and garden products, furniture, industrial supplies, building construction material, industrial machinery, construction equipment, scientific equipment, musical instruments, sporting goods, tools, automotive parts, toys, board games, office machinery and equipment, stationary, books, software, and recorded multimedia, namely, dvds, music cds, and videotapes