Harari is speaking of these experiments here: https://twitter.com/butchernumber/status/1514691927731494914?s=21&t=lEpehJbxWTdPlJz8UF8V0Q
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Harari is speaking of these experiments here: https://twitter.com/butchernumber/status/1514691927731494914?s=21&t=lEpehJbxWTdPlJz8UF8V0Q