You don’t know what you don’t know.
In 1998 Saturday Night Live aired this video about corporate control of the media. The network censored it, preventing it from being shown on the later broadcast on the West Coast.
Go read the story at La Figa.
What else do people “know” or not know, as a result of corporate control of the information channels? For example: When was the last time you saw anything on corporate media promoting the benefits of joining a union?
When was the last time you heard through corporate media that democracy is a better way then corporate decision-making to govern the country?