Facebook says it's policing its platform, but it didn't catch a livestream of a massacre. Why? - CNN

1. Facebook says it's policing its platform, but it didn't catch a livestream of a massacre. Why?  CNN
2. In Christchurch, Signs Point to a Gunman Steeped in Internet Trolling  The New York Times
3. New Zealand shooting puts new focus on role of social media  CBS News
4. Tech firms are scrambling to keep dozens of copies of videos showing the New Zealand mosque shootings off their platforms  Business Insider
5. 8chan User Claiming to be New Zealand Shooter Posted 'See You All in Valhalla' Before Mosque Massacre  Newsweek
6. View full coverage on Google News