Twitch has been criticised by users after it emerged their content had been used to train Amazon's AI models. Amazon owns Twitch and a setting allowing it to take data generated by creators and audiences to train AI is turned on by default. Users can opt out of that, Twitch said on Wednesday, but the announcement sparked a backlash with some users questioning why it was allowed in the first place. Tap the link in @BBCNews's bio to read more. #Twitch #Amazon #BBCNews