Advertising and advertisement services; Business management assistance; Business management and organization consultancy; Commercial administration of the licensing of the goods and services of others; Demonstration of goods; Demonstration of goods and services by electronic means, also for the benefit of the so-called teleshopping and homeshopping services; Demonstration of products; Personnel management consultancy; Provision of an on-line marketplace for buyers and sellers of goods and services; Sales promotion for others; Systemization of information into computer databases; Providing commercial information and advice for consumers in the choice of products and services