Echo Chambers of Hate

Social-media networks have become echo chambers of anti-Semitic hatred. How did it happen? And why does it continue? Every 83 seconds, someone uploads an anti-Semitic post to social media. In 2016 alone, more than 382,000 anti-Semitic posts appeared on Facebook, YouTube, and Instagram1—many of which were never removed—denying the Holocaust; portraying the Jewish people as genetically inferi