Computerized on-line ordering services in the field of art and photography and goods displaying art and photography; Computerized on-line retail store services in the field of art and photography and goods displaying art and photography; Conducting an on-line tradeshow exhibition, in the field of art and photography and goods displaying art and photography; On-line art galleries; On-line buyers guide service providing information in the field of art and photography and goods displaying art and photography; On-line consignment services whereby goods are received on consignment for auction on an online auction site; On-line consignment services whereby goods are received on consignment in on-line retail stores featuring art and photography and goods displaying art and photography; On-line retail consignment stores featuring art and photography and goods displaying art and photography; On-line trading services in which seller posts products to be auctioned and bidding is done via the Internet; Operating an on-line shopping site in the field of art and photography and goods displaying art and photography; Operating on-line marketplaces featuring art and photography and goods displaying art and photography; Operating on-line marketplaces for sellers of goods and/or services; 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; Promoting the goods and services of others through on-line ordering and cataloging of those goods and services; Promoting the goods of others by means of on-line real time presentation for inspection, viewing or showing of art and photography and goods displaying art and photography; Promoting, advertising and marketing of the on-line web sites of others; Providing a searchable online advertising guide featuring the goods and services of other on-line vendors on the internet; Providing an on-line computer database in the field of locating products, describing products, rating products, pricing products and comparing prices of products; Providing an on-line showroom for the goods of others in the field of art and photography and goods displaying art and photography; Providing on-line auction services; Retail store services featuring art and photography and goods displaying art and photography