Facebook's internal research in 2018 showed that 64% of extremist groups people joined were due to Facebook's own recommendation system, with the top 15 American Christian groups on Facebook being operated by Eastern European troll farms, demonstrating how AI recommendation systems can inadvertently radicalize users.
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Speaker
Tristan HarrisEvidence Quote
“Facebook's own research showed that 64% of extremist groups on Facebook when people joined them was due to Facebook's own recommendation system”
Source
AI: Grappling with a New Kind of Intelligence | World Science Festival— World Science FestivalCreated: 8/10/2026, 10:49:40 PM
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