In a cool medium, the audience is an active constituent of the viewing or listening experience. A girl wearing open-mesh silk stockings or glasses is inherently cool and sensual because the eye acts as a surrogate hand in filling in the low-definition image thus engendered. Which is why boys make passes at girls who wear glasses.
Marshall McLuhanPersons grouped around a fire or candle for warmth or light are less able to pursue independent thoughts, or even tasks, than people supplied with electric light. In the same way, the social and educational patterns latent in automation are those of self-employment and artistic autonomy.
Marshall McLuhanNowadays there is no conversation at all. Teachers distrust talk as much as business men.
Marshall McLuhan