Yesterday Twitter, in response to years of complaints about letting white nationalists use the platform even though they had already been banned, said that it plans to conduct academic research on the subject. At HuffPost, Luke O’Brien took the occasion to note just how many white nationalists are using the platform: The white supremacist accused of murdering 51 people in Christchurch, New Zealand, in March was also on Twitter, where he spread Islamophobia, white supremacist propaganda and articles about terrorist attacks.