Credit: Unsplash/CC0 Public Domain A man mourns the loss of his dead celebrity mom, who unexpectedly appears before him as a hologram in his childhood home, singing and strumming a guitar. The touching scene is from a new short film called "Sweetwater" that has an unlikely backer: Google. Amid all the hand-wringing over artificial intelligence and the potential threat it poses to Hollywood and the creative community, the tech giant is looking to reframe th