Elon Musk Just Killed The Dollar: Why Mass and Energy Replace Fiat Scarcity

Elon Musk answered a thread about SpaceX orbital solar-powered data centers with four words—mass and energy—framing what the future economy actually runs on once AI inference, robotics, and abundant power redefine scarcity. The argument ties falling solar costs, like the long slide from roughly $106 per watt toward cents-scale pricing, to collapsing AI training and inference costs such as ResNet-50 dropping from about $1,000 in 2017 and GPT-4-class tokens falling from about $20 per million toward pennies. SpaceX’s FCC filing for up to one million sun-synchronous satellites, plus talk of space-based AI capacity far beyond terrestrial grids, points to compute that no longer waits on Earth’s land, permitting, or scarce wattage. Products like Optimus at a targeted $20–25,000 unit cost sit on the same curve: cheap watts plus cheap intelligence. Overall, this aims to treat dollars as an intermediate layer while mass, energy, and machine hours become the real denominators of value.

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