35 Organization of trade fairs and exhibitions for commercial purposes, advertising and commercial purposes; Organizational services for participants in trade fairs and exhibitions for commercial and advertising purposes; Presentation of companies and their products and services for advertising purposes and sales promotion for third parties, and arranging business contacts, including via the Internet; Rental of stand space for trade fair and exhibition stands, including the related equipment [advertising equipment]; Public relations; Advertising; Provision of information on commercial and business matters, organizational advice in business matters; organizing and operating product presentations; publishing and issuing catalogues and brochures for advertising and presentation purposes; Commercial services and consumer services and consumer information services, namely intermediary services in business matters, mediation of business contacts, economic evaluation of business opportunities, organization of competitions for advertising, business information services through agencies, negotiation of contracts relating to the purchase and sale of goods, mediation services in business matters, also on the Internet