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What do you think Elon Musk should do next?

PayPal, Tesla, SpaceX and SolarCity, a brilliant resumé for a brilliant man. However lets face it, at some point Elon Musk will probably move onto even bigger and better things.
What global issues would you like to see Elon tackle next with his extraordinary mind and large piles of cash?

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  • Mar 27 2013: Solar power idea: Reconsider America's tar paper and crushed stone disposable, non-recyclable roofs. How about recyclable roofs that also serve to generate electricity?

    Wind power idea: Rather than use very large windmills with a classic three-prong airplane propeller, how about reconsidering the design. Rather than a three-prong prop... a round mechanism that would turn with wind coming from any direction (like the vents sometimes seen on the tops of barns). Horizontal bearings would last longer than vertical ones and the entire mechanism would be simpler and easier to service.

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