"Representatives from Facebook and Google appeared before congress today over the role of online platforms in promoting hate crimes, extremism and white nationalism. The House Judiciary Committee hearing follows the mass shooting that targeted two mosques in Christchurch, New Zealand, resulting in the deaths of 50 people. The terrorist live-streamed the attack on Facebook and videos of the shooting were shared on the Google-owned video platform YouTube. The Counter Extremism Project, a non-profit group that aim to tackle extremism, followed a selection of 35 Facebook pages belonging to groups that support white supremacism or neo-Nazism for two months and found they collectively grew by a total of 2,366 likes."