AI avatars of dead people are teaching courses and testifying in court. Even with the best of intentions, the emerging practice of AI ‘reanimations’ is an ethical quagmire.

TikTok will let brands generate AI influencer content that mimics what human creators might share.

Their device clips on to eyeglasses and uses AI to help people with low vision navigate the world around them. The pair will take home $100,000 and receive a mentoring session with Microsoft Chairman ...