The Shallows updates Marshall McLuhan's thesis that "the medium is the message"--the technology we use to share our thoughts inescapably shapes how we think.

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The medium is the message and perceptions do matter.

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After having seen that brilliant scene in the movie line in Annie Hall, one is always wary of quoting Marshall McLuhan, but we should remember that the medium is the message, the tetrad of media effects and all that other good stuff he said.

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