Advertising services; business management; business administration; providing office functions; dissemination of advertising material in the form of leaflets, prospectuses, printed matter, samples; newspaper subscription services for others; business management and organization consultancy; employment agencies; computerized file management; organization of exhibitions for commercial or advertising purposes; online advertising on a computer network; rental of advertising time on all communication media; publication of advertising texts; rental of advertising space; dissemination of advertisements; public relations; sales promotion for the products of others; providing commercial information and advice for consumers all relating to price comparisons and commercial evaluation of consumers good for others prior to purchase; promoting the goods and services of others by providing hypertext links to the web sites of others; price comparison services; business networking services, namely, linkage between commercial and professional contacts; negotiation and conclusion of commercial contractual transactions for others; negotiation and conclusion of commercial contractual transactions for third parties on the purchase and sale of goods and on the provision of services; commercial information and advice for consumers; demonstration of products; dissemination of product samples for advertising purposes; market studies; market research