Comprehensive shopping mall by internet, namely, promoting the goods and services of others by means of operating an on-line shopping mall with links to the retail websites of others, online retail store services featuring books, teaching materials except apparatus, downloadable electronic books, clothing and stationery; business intermediary services relating to mail order by telecommunications, namely, mediation and conclusion of commercial transactions for others; commercial information agency services; advertising services; marketing services; marketing and promotional services; providing information in the field of marketing; arranging and conducting of marketing events, namely, promotional events for others; organization of events for commercial/promotional and publicity purposes; compiling indexes of information for commercial or advertising purposes; providing marketing consulting in the field of social media; marketing in the framework of software publishing; promotional marketing services using audiovisual media; on-line advertising and marketing services; marketing services by internet; advertising and commercial information services via the internet; providing academic course administration services for academic institutions, namely, course registration for others; providing academic course administration services relating to on-line course registration, namely, on-line course registration for other academic institutions