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"Samsung may have found the perfect material for a light yet sturdy smartphone shell. Should you expect a carbon fiber version of the Galaxy S4 or maybe S5 to arrive on American shores soon?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.fool.com/investing/general/2013/06/29/could-your-next-smartphone-be-made-of-carbon-fiber.aspx>