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PBS News Hour
ProPublica tool finds misleading ads on Facebook
Amid an investigation into Russian interference in the 2016 presidential election, Facebook came under fire for its opacity on how it targets political ads. A few months ago, ProPublica released Political Ad Collector, a tool that crowdsources the job of monitoring ads -- including those that might not seem political at first. ProPublica’s Julia Angwin shares the findings with Hari Sreenivasan.
