OpenAI Releases Sora 2

OpenAI releases its latest video generation model, which it claims is more physically accurate, realistic and controllable than prior systems. While the launch has attracted much fanfare, OpenAI's latest tool is drawing praise and condemnation in equal measure. AI correspondent Marc Cieslak looks at the major technological advances made by Sora 2, as well as concerns raised over disinformation, privacy, copyright and intellectual property.