Compilation and systemisation of information into computer databases; database management; advertising, promotional and marketing services, including the production and dissemination of advertising materials and information on the Internet; on-line advertising on a computer network; provision and rental of advertising space on the internet; providing on-line computer databases, on-line searchable databases and on-line directory information services for and including the fields of general interest, general business, travel, accommodation, restaurants, classifieds; provision of virtual community and social networking services, photo sharing, video sharing and transmission of photographic images; on-line retail store services featuring downloadable pre-recorded music, video and computer games, clothing, accessories and books; promoting the goods of others by means of operating an on-line shopping mall with links to the websites of others; comparison shopping services