Provision of an on-line marketplace for buyers and sellers of goods and services; Administrative processing of purchase orders; The bringing together, for the benefit of others, a variety of goods (excluding the transport thereof), enabling customers to conveniently view and purchase the goods; Discount services (retail, wholesale, or sales promotion services); Presentation of goods on communication media, for retail purposes; Retail services; Retailing of goods (by any means); Wholesaling of goods (by any means); Advertising services provided via a data base; Dissemination of advertising material; Provision of advertising space; Sales promotion (for others)