Abstract: A method for providing an online social network of radio listeners, the method comprising the steps of providing a database of radio stations; providing a flagging function to allow the users to generate flags to indicate one or more radio stations; providing a flag-cast comprising a continuously updated feed of the flags generated by the users; providing a profile database storing user data associated with each of the users; providing a communications interface allowing the users to communicate user information to the social network provider; providing a monitoring module to track user activities on the social network; providing an activity database to store activity data about the users; providing a flag database to store flag data related to the flags generated by the users; and providing a flag-cast component that limits the flags displayed in the flag-cast by identifying selected flags.