Advertising services, namely, online advertising on a computer network; print and Internet advertising; business marketing; presentation of goods and services, namely, organization and conducting of product presentations, planning and conducting trade fairs, exhibitions and presentations for economic or advertising purposes, preparation and presentation of business prospectuses, preparing audio-visual presentations for use in advertising, presentation of video games, featuring video game design, video game development, video game publishing; services with regard to product presentation to the public, marketing and promotion services, market research relating to investments, business management and consulting services; arranging and conducting business trade conferences in the fields of video games, featuring video game design, video game development, video game publishing, and in the fields of design, engineering and development of multimedia computer game applications, services with regard to product presentation to the public in the fields of video games, video game design, video game development, and video game publishing