Elon Musk threatened to drive to Mark Zuckerberg’s house in Palo Alto, Calif. to fight the fellow tech billionaire if Zuckerberg answered the door.  Musk made the comments on his social media platform X. “For the Tesla FSD test drive in Palo Alto tonight, I will ask the car to drive to @finkd ’s house. Will also test latest X livestream video, so you can monitor our adventure in real-time! If we get lucky and Zuck my actually answers the door, the fight is on!” he wrote. In a follow-up comment, Musk said, “(Zuck thread coming soon about how he would of course love to fight anytime, but blah blah UFC something something) For the Tesla FSD test drive in Palo Alto tonight, I will ask the car to drive to @finkd ’s house