jfruh writes: "While athletes compete in London this coming July, behind the scenes numerous computers and programmers will be combing through the reams of data the Olympics generate — often in ways that participants and spectators might find unsettling. Companies and organizers will be analyzing where people spend money to determine whether London's investment in the games was worth it; Transport for London will be tracking anonymized cell phone data to see how spectators are moving around the city; and authorities will be scrutinizing CCTV images and Facebook posts to ferret out potential terrorist threats."
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