Science and technology

Associated Press
FILE - In this Oct. 10, 2011 file photo, the exterior of Netflix headquarters is seen in Los Gatos, Calif. Netflix subscribers watched more than 1 billion hours of online video last month, a significant milestone that reflects changes in people's viewing habits in the era of mobile devices. It comes as the company tries to wean customers off a DVD service that is more expensive to operate. (AP Photo/Paul Sakuma, File)

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