Noam Chomsky co-wrote wrote the the 1988 book Manufacturing Consent: The Political Economy of the Mass Media. This book spoke about the five filters that manufacture consent and presents ideas on how the mass media can work against the democracy’s best interests. One to five of these filters are; Size, ownership and profit orientation. Two; The advertising license to do business. Three; the media elite. Four; Flak and the enforcers, and Five; Anti communism. Chomsky is also an American linguist, philosopher, cognitive scientist, historian, social critic and political activist.