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data center
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Internet sales
People meeting
Mark Zuckerberg, chief executive officer and founder of Facebook Inc., speaks during an event at the company's headquarters in Menlo Park, California, U.S., on Thursday, March 7, 2013. Zuckerberg discussed the social-network  site's upgraded News Feed which includes bigger photos, information sorted into topics and a more consistent design across devices. Photographer: David Paul Morris/Bloomberg via Getty Images
Male human head with skull and artificial electronic circuit brain in ghost effect, side view. Anatomy image, on white background, with clipping path.