listening to the planet money episode on the plight of the Uighur people:

https://twitter.com/planetmoney/status/1147240518411309056

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In the Uighur region every home is bugged, every apartment building filled with cameras, every citizen’s face recorded from every angle in every expression, all DNA recorded, every interaction recorded and NLP used to extract risk for being a dissident. These databases then restrict ability to do anything or go anywhere, and will put you in a concentration camp if your score is too bad.

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Maybe google have done some cool things with ML, but my impression is that globally this is 90% being used for utter totalitarian evil.