Advertising services; Business management assistance; Business management consultancy; Commercial administration of the licensing of the goods and services of others; Commercial information agency services; Demonstration of goods; Import-export agency services; Market research studies; Marketing services; On-line retail department store services; Preparation of custom advertisements for others; Production of teleshopping programs; Provision of an on-line marketplace for buyers and sellers of goods and services; Provision of an online marketplace for buyers and sellers of goods and services; Provision of information concerning commercial sales; Publicity agency services; Sales promotion for others