-1988 book by Noam Chomsky and Edward S Herman

-The authors propose that the mass communication of the media of the US are effective and powerful and ideological institutions that carry out a system-supportive propaganda function. This is said to be by reliance on market forces, internalized assumptions and and self-censorship.

-The book was revised 20 years after is first publication to take account of developments such as the fall of the Soviet Union. There has been debate about how the internet has changed the public’s access to information since 1988.