A year after Charlottesville, why can't big tech delete white supremacists?

Facebook, YouTube, Twitter and more pledged to take action against hate groups. Why isn’t it working?
The purge came too late for Heather Heyer.Last August, amid the fallout from the deadly Unite the Right rally in Charlottesville, the major technology platforms on which the “alt-right” had arisen, recruited members and organized its violent event decided to clean house. Continue reading...