Shannon Weaver 1949- basic communication model
Galtung and Ruge 1965- Government sends messages that are injected into us.
Blumer and Katz 1974- Gate keeper/editors inject messages into us. certain people control the flow of information. uses and gratification, states that there is 4 reasons why we watch thing; diversion, personal relations, personal identity and surveillance
Two step flow model by McQuail 1986- Opinion leaders control what people watch.