The suspect in the Oct. 27 attack on a Pittsburgh synagogue, leaving 11 dead and 6 injured, called Jews "the children of Satan" in his Gab.com bio.
Other examples of online hate speech are all too easy to find.:
- White supremacists used the Discord chat platform to plan logistics at the "Unite the Right" rally in Charlottesville.
- The Pizzagate conspiracy theory gained steam on Reddit.
- Pornographic images of Muslims floated on Facebook for years in an anti-Rohingya campaign in Myanmar.
The owners of social media sites and hosting platforms are moving against such hate speech, but is it far enough, fast enough?
What are the limits of their ability to respond? Should we rely on private-business owners, not the law, to draw the line between hate speech and free speech? Where is the line that we can live with?