Uses and Gratification theory

Blumler and Katz developed the Gratification theory in the 70's According to Katz and Blumler research there were some components comprising the Uses and Gratifications Model including active audience, audience initiated media choices and media competing with other sources of satisfaction. 

Diversion - A form of escape or release from everyday pressures.

Personal relationships - Companionship through identification with television characters and sociability through discussion about television with other people.

Personal identity - The ability to compare one's own life with the characters and situations portrayed and explore individual problems and perspectives. 

Surveillance - Information about "what's going on in the world".