FILE - In this Thursday, Oct. 31, 2013, file photo, a man looks at his cellphone as he walks on the street in downtown Madrid. The National Security Agency tracks the locations of nearly 5 billion cellphones every day overseas, including those belonging to Americans abroad, The Washington Post reported Wednesday, Dec. 4, 2013. Such data means the NSA can track the movements of almost any cellphone around the world, and map the relationships of the cellphone user. (AP Photo/Francisco Seco, File)The agency tracks 5 billion in a foreign country phones daily, says the Washington Publish.

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