One robot dog walked another robot dog on a leash. Same brain, zero retraining, two completely different bodies — and that demo is the clearest proof yet that Skild AI is not building a robot, it is building the operating system for all of them. Fifty employees, thirty million in revenue, fourteen billion dollar valuation, and a bet from SoftBank, NVIDIA, and Bezos that whoever owns the universal brain for physical robots owns everything the hardware ever earns.