2012 International Consumer Electronics Show [Getty Images]

Eton FRX3 hand turbine and solar powered emergency radios with a built-in smartphone charger sit on display at the 2012 International Consumer Electronics Show (CES) in Las Vegas, Nevada, U.S., on Thursday, Jan. 12, 2012. The 2012 CES trade show features 2,700 global technology companies presenting consumer tech products and is expected to draw over 140,000 attendees. Photographer: Daniel Acker/Bloomberg via Getty Images

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