Management of computer files, computer data banks and databases, particularly of data banks and databases in the fields of health, beauty, fashion, marriage, maternity, education, professional careers, culture, leisure activities, sports, psychology, cooking, travel (for cultural purposes), DIY, decoration, astrology and meteorology; administrative management of Internet sites allowing users of said sites to make secure purchases of goods and services; advertising services, marketing services; distribution and dissemination of advertising material (leaflets, prospectuses, printed matter, pamphlets, catalogs, samples); dissemination of advertisements; dissemination of classified advertisements; advertising and commercial information services provided on the Internet; electronic mail for advertising purposes; secretarial services, namely, online electronic agenda management; subscription services to all information media in the form of electronic (or not) or digital publications or multimedia products for interactive or non-interactive use; data communication subscription services; arranging subscriptions to electronic newspapers; arranging subscriptions to telecommunication services; arranging subscriptions to newspapers, periodicals, reviews and magazines for others; subscriptions to a central service providing access to a network for information or data transmission particularly a global telecommunication network (the Internet); organization of exhibitions for commercial or advertising purposes; organization of fairs, trade fairs and exhibitions for commercial or advertising purposes; organization of fairs, trade fairs, exhibitions and any advertising or promotional events; commercial and advertising sponsorship and patronage; sales promotion services for others; export and import services; business organization and management consulting and advice services; business investigations; marketing research and marketing studies; public relations; opinion polling