W hen Justin Harrison got the call in 2022 telling him that his mother would likely die within the day, he didn’t panic. He got on a plane to Singapore, where he was scheduled to present at a conference about his start-up, You, Only Virtual, a platform on which users can chat with AI versions of their dead loved ones, and which Justin believes can ultimately eliminate grief as a human experience. He learned about his mother’s death while flying over the Pacific. “My presentation went from My