Advertising consultation; Business appraisals; Business investigations; Business management consultancy; Conducting on-line business management research surveys; Demonstration of goods and services by electronic means, also for the benefit of the so-called teleshopping and homeshopping services; Import-export agency services; Market analysis; On-line advertising on a computer network; Personnel management; Provision of advertising space by electronic means and global information networks; Provision of an on-line marketplace for buyers and sellers of goods and services; Publication of publicity texts; Sales promotion for others