My power went out last night. This wasn't as scary of an experience when I had a dumb phone, which could last multiple days without having to be charged. Now that I'm toting around a 5-inch monster with a quad-core processor, I'm nervous if my phone will even last until nightfall. That's why when I saw that SolePower had met their $50,000 goal on Kickstarter in order to develop a shoe insole that charges portable electronics while we walk, they had my undivided attention.

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