Facebook, Google, Twitter join forces to fight online extremism

Some of the largest tech companies in the world have signed on to a new agreement to fight terrorism and violent extremism on their platforms, following the attack on a Christchurch mosque that was live streamed on Facebook. 
Facebook, Twitter, Google, Microsoft, and Amazon all joined the Christchurch Call, an effort between world leaders and tech companies to fight the spread of violent extremism online. The agreement was announced following a meeting in Paris, organized by French Presiden