Mark Zuckerberg famously set himself a New Year's goal to create an AI assistant to control his house, and now that it's almost ready, he needs a voice for it. Naturally, Zuck enlisted Facebook's billion-plus users, saying "it's time to give my AI JARVIS a voice. Who should I ask to do it?" Someone suggested "Robert Downey Jr. or Benedict Cumberbatch," and another suggested Paul Bettany, the actual actor who plays Iron Man's JARVIS AI. Much to everyone's surprise, Downey Jr. himself replied.