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For one thing, Gutenberg didn’t invent movable type—a Chinese artisan named Bi Sheng did, using clay and ash, three and a half centuries before Gutenberg was born. For another, information wants to be free, but so does misinformation. The printing press empowered such religious progressives as Erasmus and John Calvin; it also empowered hucksters, war profiteers, terrorists, and bigots.* Nor did the printing press eliminate the problem of gatekeepers. It merely shifted the problem
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Andrew Marantz (Antisocial: Online Extremists, Techno-Utopians, and the Hijacking of the American Conversation)