Silicon Valley's favorite fantasy is back: one app to rule them all

One app to rule them all, and the AI to bind them. YUICHI YAMAZAKI/AFP via Getty Images Tech companies are making moves to build their own "super apps." It's an old Silicon Valley vision, but one AI might just make good on. Google is the latest to indicate it's going in this direction after Microsoft and OpenAI. Silicon Valley has spent years obsessing over "super apps" that can do it all. AI is powering a new version of that dream. Just take Google, which last week did the most Google thing…