Software as a service (SaaS) services, featuring software for use to generate groups of target audiences of users of the Internet and social networks who are likely to have interest in particular topic and for delivery of targeted advertising on the Internet and social networks on behalf of advertisers to the groups; Providing a website featuring temporary use of non-downloadable software for identifying groups of target audiences of users of the Internet and social networks who are likely to have interest in particular topic and for delivery of targeted advertising on the Internet and social networks on behalf of advertisers to the groups; Advertising and promotional services, namely, identification of groups of target audiences of users of the Internet and social networks who are likely to have interest in particular topic and direction of targeted advertisements to the groups