Until writing was invented, man lived in acoustic space: boundless, directionless, horizonless, in the dark of the mind, in the world of emotion.
Marshall McLuhanAds are carefully designed by the Madison Avenue frog-men of-the-mind for semiconscious exposure.
Marshall McLuhanThe content or message of any particular medium has about as much importance as the stenciling on the casing of an atomic bomb.
Marshall McLuhan