Advertising services; Arranging and conducting auctions; Assistance, advisory services and consultancy with regard to business organization; Business administration and management; Demonstration of goods; Marketing services; Operating on-line marketplaces for sellers and buyers of goods and/or services; Organization of fairs and exhibitions for commercial and advertising purposes; Personnel placement; Personnel recruitment; Procuring of contracts for the purchase and sale of goods; Providing commercial information and advice for consumers in the choice of products and services; Provision of an on-line marketplace for buyers and sellers of goods and services; Provision of business information via global computer networks; Public relations; Rental of office machinery and equipment; Secretarial services