How Reddit took on its own users – and won

Since 2006, the site insisted anything that wasn't illegal should be tolerated. Under Ellen Pao's brief leadership, all that changed

Halfway through 2015, one of the largest white supremacist communities on the internet was closed down. The "Chimpire", a loose network of forums with names like "CoonTown" and "Teenapers", had started in 2013 with the founding of the virulently racist "GreatApes" forum.

By this year, it included around 50 separate forums, some dedicated to specific topics such as sharing footage of black people dying or trying to live a "negro-free" life, and others providing a more general location for racists to socialise with each other over their shared interest in the dominance of the white race.