Advertising; advertising on the Internet for others; pay per click advertising services; mediation services in relation to advertising; advice in relation to advertising; provision of information about products via telecommunication networks for advertising and sales purposes; distribution of advertising material (tracts, prospectuses and samples); rental of advertising material; updating of advertising material; dissemination of advertisements; distribution and dissemination of advertising matter; distribution of advertisements by mail; dissemination of advertisements for others by means of online electronic communication networks; bill-posting, displaying advertisements for others; commercial information via websites; collection and systematization of data in a central file; business promotion services for others, of all kinds; research, searching, browsing and retrieving information and other resources available on global computer networks and other communication networks, for others; outsourcing services (business assistance); data analysis services; promotion of third-party goods and services through advertisements on Internet websites; administration of customer loyalty programs; online advertising network linking services for connecting advertisers to websites; business management services relating to computer software adapted for blocking advertising on other software or on web-based sites