This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.
Movie director James Cameron says he hopes critical thinking will help people identify deepfake videos.
So-called deepfakes use machine learning to modify video footage, usually replacing one person's face with another, with realistic results.
Mr Cameron, whose films often push the boundaries of visual effects, spoke to the BBC's technology programme Click.
See more at Click's website and @BBCClick