Manufacturing, marketing and distribution of image and sound carriers, in particular in the field of art and entertainment industry, as well as trade and distribution of promotional items, development, marketing and processing of information, production of hardware and software, distribution of own and third-party products, representation of other companies in markets, execution of own or commissioned research and development projects and consulting activities in the aforementioned areas, telephone services, provision of computer-controlled telephone systems, provision of access to telephone value-added services; may participate in other companies, acquire or sell other companies, acquire, manage and sell real estate and securities, take out and grant loans, provide guarantees and other securities, as well as acquire, manage and exploit intellectual property rights.