The unusually muted Tesla Cybercab launch

At a private, closed-door event in Austin, Texas today, Tesla officially launched its gilded car of the future: the Cybercab. It's a huge milestone for Elon Musk, who has been hyping the imminent arrival of driverless cars for years and has bet the future of his company on AI, autonomous vehicles, and humanoid robots. It was an unusually muted eve…