A counterterrorism organisation formed by some of the biggest US tech companies including Facebook and Microsoft is significantly expanding the types of extremist content shared between firms in a key database, aiming to crack down on material from white supremacists and far-right militias.

source https://gadgets.ndtv.com/social-networking/news/facebook-twitter-youtube-gifct-database-target-attacker-manifesto-extremist-far-right-militia-2495871#rss-gadgets-all