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If you aren't bothering with an interpretation in terms of value, and are just using the military device as a physical object you can visualize, why not just us
by jessriedel 8y ago
If you aren't bothering with an interpretation in terms of value, and are just using the military device as a physical object you can visualize, why not just use "stack of 10 billion dollar bills" as a unit? Then you can think of the subway upgrade as two of those.