S'il fallait le rappeler, voici un article qui explique que la surveillance de masse provoque l'auto-censure.

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there’s no such thing as just reading anymore — passively absorbing information being presented to you — without an invitation to voice your opinion. i can’t even be alone in goddamned books anymore. a dotted underline appears: “153 people highlighted this,” the kindle tells me. why on earth would that matter to me. get out of my book
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we need to be exposed to opposing views. it rounds us as people. it tests our arguments, and allows us to rethink or discard bad ones. but in such a landscape, purposefully-truncated methods of communication — the tweet, the status update, the collapsible comment — become 140-character lathes to sharpen existing beliefs to little points, to jab at someone else with, who then prepare their own pointy stick in rebuttal
"""