1. On 219 million randomly chosen occasions, Facebook prevented someone from seeing a link shared by a friend. Hiding links this way created a control group so that Bakshy could assess how often people end up promoting the same links because they have similar information sources and interests.

    […]

    That study provides strong evidence against the idea that social networking creates harmful “filter bubbles,” to use activist Eli Pariser’s term for the effects of tuning the information we receive to match our expectations. But the study also reveals the power Facebook has.

    — What Facebook Knows

Notes

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