The new tech bringing loved ones back to life through AI The virtual reality tool called "live forever mode" features digital avatars who can simulate a person's voice, mannerisms and movements after just 30 minutes of the user being observed. https://news.sky.com/story/we-all-want-to-live-forever-the-tech-letting-people-create-avatars-for-loved-ones-to-meet-after-they-die-13101996