Sam Gregory on Twitter: "As false news proliferate + #deepfakes on horizon, there's increasing momentum to build better authenticity infrastructure so videos can be trusted. Sounds great, right? New @witnessorg rpt on pros, cons, dilemmas to address to do this right! https://t.co/NWyeUIxtgP Thread 1 https://t.co/Pyv3UI0KFm" / Twitter