Key Speakers At The "Ignition: Future of Digital" Conference [Getty Images]

Jeff Bezos, chief executive officer of Amazon.com Inc. and founder of Blue Origin LLC, speaks at the Ignition: Future Of Digital conference in New York, U.S., on Tuesday, Dec. 2, 2014. Bezos said Amazon shares will remain volatile due to new businesses. Photographer: Peter Foley/Bloomberg via Getty Images

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