| http://www.w3.org/ns/prov#value | - I know batteries are expensive so the biggest obstacle is just figuring out a credit/ID system so that people can be trusted to trade $1000 batteries quickly.I do not think the cost of the battery pack is a factor, nor is verifying credit/ID a difficult problem...I can rent a $25,000 car from a car rental agency in a few minutes -- if I am in the right car rental membership program, my reserved car
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