Mark Zuckerberg stepped on stage with AI glasses, but what looked like a gadget reveal is now tied to a much bigger story. This is about Meta and Tesla heading into a direct fight over humanoid robots, according to the Wall Street Journal. For years, Zuck and Elon Musk circled each other with social media barbs, competing platforms, and even a teased cage fight that never happened. This time the clash could move from the internet to the world of machines built to act like people.