Fei-Fei Li on why spatial intelligence is the key missing piece of embodied AI: "Think about a very chaotic first responder scene. A fire, traffic accident, or some natural disaster. "If you immerse yourself in those scenes and think about how people organize themselves to rescue people—a lot of that is movements and spontaneous understanding of objects, worlds, human situational awareness." "Language is part of that; language cannot get you to put out a fire." "A simple way to understand a…