SAN FRANCISCO, CA - JULY 25:  An AT&T worker helps a customer with information on the new Amazon Fire phone at an AT&T store on July 25, 2014 in San Francisco, California.  Amazon's Fire phone is going on sale today at AT&T stores for $199 with a two-year AT&T contract or $649 without a contract. The phone features a year of Amazon Prime service, Dynamic Perspective 3D imaging and Firefly image recognition that allows users to scan objects and purchase the item from Amazon's online shopping site.  (Photo by Justin Sullivan/Getty Images)
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