The special importance of propaganda in what Walter Lippmann referred to as the “manufacture of consent” has long been recognized by writers on public opinion, propaganda, and the political requirements of social order. The powerful are able to fix the premises of discourse, to decide what the general populace is allowed to see, hear, and think about, and to “manage” public opinion by regular propaganda campaigns.

— Source: Manufacturing Consent (Noam Chomsky & Edward S. Herman)