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While social media “echo chambers” certainly exist, they may not have as large of an effect on political polarization as previously assumed.

by Trevor Haynes figures by Rebecca Clements “I feel tremendous guilt,” admitted Chamath Palihapitiya, former Vice President of User Growth at Facebook, to an audience of Stanford students. He was responding to a question about his involvement in…

"...the effect sizes of their manipulations are extremely small, indicating a very weak effect."