Wrote a book where authors propose that the mass communication media of the U.S. “are effective and powerful ideological institutions that carry out a system-supportive propaganda function, by reliance on market forces, internalized assumptions, and self-censorship, and without overt coercion”.
There has been debate about how the Internet has changed the public’s access to information since 1988.
The theory postulates five general classes of “filters” that determine the type of news that is presented in news media.
