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In 1964, just as the Beatles were launching their invasion of America’s airwaves, Marshall McLuhan published Understanding Media: The Extensions of Man and transformed himself from an obscure academic into a star. Oracular, gnomic, and mind-bending, the book was a perfect product of the sixties, that now-distant decade of acid trips and moon shots, inner and outer voyaging. Understanding Media was at heart a prophecy, and what it prophesied was the dissolution of the linear mind. McLuhan declared that the “electric media” of the twentieth century—telephone, radio, movies, television—were breaking the tyranny of text over our thoughts and senses.
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