1. Manufacturing Consent explores the role of the mass media in shaping public opinion.
The authors argue that the media acts as a propaganda system, promoting the interests of elites and serving as a tool of social control.
2. They introduce the concept of the 'propaganda model', which outlines five filters through which news content passes: ownership, advertising, sourcing, flak, and ideology.
3. The ownership filter refers to the concentration of media ownership in the hands of a few corporations, which allows for the control and manipulation of information.