All the mass media have a close connection with the centres of social authority, and reflect their anxieties. ... [Such] communication is a one-way street. Wherever we turn, there is that same implacable voice, unctuous, caressing, inhumanly complacent, selling us food, cars, political leaders, culture. ... It is not just the voice we hear that haunts us, but the voice that goes on echoing in our minds, forming habits of speech, our processes of thought.