Runway AI, a multi-billion dollar company, has been training its AI video tool, Gen-3, on thousands of YouTube videos without permssion, 404 Media has revealed. Among the videos used were over 1,600 from tech influencer Marques Brownlee (MKBHD). The exposé follows an investigation by Proof News, copublished with Wired, which found that tech firms including Apple, Anthropic, Nvidia, and Salesforce had training their AI systems on subtitle data from more than 170,000 YouTube videos. Runway Secretly Trained On YouTube Videos In June, Runway AI launched Gen-3, initially called Jupiter, which received high praise