Madeleine Varner

What Facebook’s new political ad system misses Madeleine Varner

Facebook on iPhone

Facebook is (still) letting housing advertisers exclude users by race Madeleine Varner

How Facebook enabled advertisers to reach "Jew haters" Madeleine Varner

PayPal

Despite disavowals, leading tech companies help extremist sites monetize hate Madeleine Varner

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