Advertising; business management; business administration; office functions; market research, telemarketing services; on-line advertising; arranging and conducting of trade fairs, exhibitions, sales events and special shows for commercial and advertising purposes; public relations; presentation of companies and their products and services; merchandising (sales promotion for others), display services for merchandising; arranging of commercial and business contacts; rental of advertising space and advertising material; rental of exhibition and trade fair stands; business consultancy, in particular with regard to the arranging and conducting of trade fairs, exhibitions, special shows and sales events; all the aforesaid services being by means of electronic media or the internet; collating, systematic ordering and maintenance of data in a computer database