Administrative processing of purchase orders; Advertising services; Advertising, marketing and promoting the goods and services of others using kiosks; Advertising, promotion and marketing services in the nature of e-mail blast campaigns for others; Arranging and conducting auctions; Arranging and conduction of auction sales; Auction management services provided to others over an on-line web site accessed through a global computer network; Auction services; Auctioneering; Business administration and management; Business management; Cost price analysis; Office administration services; On-line retail store services featuring a wide variety of consumer goods of others; Organisation and conducting of product presentations; Price comparison services; Providing office functions; Publicity and sales promotion services; Sales promotion services; Services with regard to product presentation to the public