Elon Musk: "We’re in the final stages of completion of Optimus 3, which is really going to be by far the most advanced robot in the world, nothing's even close. In fact, I haven’t even sent any demos of robots that are as good as Optimus 3, frankly. We’ll start production on Optimus 3 this summer, but very slow at first. And then probably reach high-volume production around summer next year. We’ll have Optimus 4 design complete by next year like, we will try to release a new robot design every y