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Madeleine Varner

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What Facebook’s new political ad system misses

Jeremy B. Merrill, Ariana Tobin, Madeleine Varner
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Facebook is (still) letting housing advertisers exclude users by race

Julia Angwin, Ariana Tobin, Madeleine Varner
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How Facebook enabled advertisers to reach “Jew haters”

Julia Angwin, Madeleine Varner, Ariana Tobin
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Despite disavowals, leading tech companies help extremist sites monetize hate

Julia Angwin, Jeff Larson, Madeleine Varner, Lauren Kirchner