Advertisement for others on the Internet; Advertising services, namely, cost-per-action on-line advertising; Advertising and marketing services provided by means of indirect methods of marketing communications, namely, social media, search engine marketing, inquiry marketing, internet marketing, mobile marketing, blogging and other forms of passive, sharable or viral communications channels; Advertising and marketing services, namely, promoting the goods and services of others; Classified advertising services; Compilation of advertisements for use as web pages on the Internet; Electronic billboard advertising; Entertainment marketing services, namely, marketing, promotion and advertising for recording and performing artists; Providing a web site featuring on-line classified advertisements posted by users; Entertainment admission venue control services, namely, the remote verification of ticket validity upon presentation of tickets at an entertainment venue; Management of event ticketing for others