You do not truly understand the phenomenal nature of what the future will bring us.
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If it so suits itself, Wall-e could be 3D printing off specific objects for certain CryptoCurrencies or OT contracts funded by millions of Bitcoin users, maybe even gathering materials to sell to other 3D printers that need specific materials for manufacturing components based on per-arranged contracts, a mobile micro DAC network. Specific control of what Wall-e does and does not do can be controlled by market forces, with direct access by everything to everything around the planet, giving individuals a Control Console for the planet with accurate Real-Time Data.
Love where you're going, but one thing left.
If we have the power of Gods (basically, creating anything we want at a whim) why do we need money?