Advertising services; Personnel management consultancy; Compiling indexes of information for commercial or advertising purposes; Accounting services; Advertising agency services; On-line advertising on a computer network; Market study and analysis of market studies; Organization of exhibitions for commercial or advertising purposes; Sales promotion for others; Marketing services; Development of advertising concepts; Planning and conducting of trade fairs, exhibitions and presentations for economic or advertising purposes; Providing user reviews for commercial or advertising purposes; Website traffic optimization; Provision of an online marketplace for buyers and sellers of goods and services; Media relations services; Consumer profiling for commercial or marketing purposes; Production of advertising films; Consultancy regarding advertising communication strategies