  |  | | HELSINKI (Reuters) - Nokia said the chairman of its networking equipment unit, Nokia Solutions and Networks (NSN), will step down following the sale of the Finnish company's mobile phone business to Microsoft. | |  |   |  | | NEW YORK (Reuters) - The U.S. aviation regulator took a step toward opening the skies to aerial drones on Monday, authorizing six sites where unmanned aircraft can be tested for a variety of uses. | |  | |  |  | | TOKYO (Reuters) - Panasonic Corp and Japan's other mid-tier camera makers have a battle on their hands to win over a smartphone "selfie" generation to mirrorless cameras that held such promise when they were launched around five years ago. | |  | |  |  | | BOSTON (Reuters) - A hacker secretly took over a computer server at the BBC, Britain's public broadcaster, and then launched a Christmas Day campaign to convince other cyber criminals to pay him for access to the system. | |  | |   |  | | SAN FRANCISCO/NEW YORK (Reuters) - For investors in internet stocks, it was a banner year: shares of many companies doubled as revenue climbed and on forecasts for rip-roaring growth in earnings. But the gains haven't been anxiety-free, thanks to uncomfortable memories of the 1999 Internet bubble and subsequent bust. | |  | |   |  | | TOKYO (Reuters) - Japan's Sony Corp has decided not to sell its lithium-ion battery unit, media reported on Sunday, in a gamble that it can turn the business around with a weak yen and growing demand for smart phone batteries. | |  | | | MADRID (Reuters) - Spanish police on Sunday said they had arrested eight people suspected of helping to steal more than $60 million from banks worldwide by hacking into credit card processing firms and withdrawing money from cash machines. | |  | |   |  | | SAN FRANCISCO (Reuters) - Apple Inc CEO Tim Cook earned roughly the same in 2013 as in 2012, but lost part of his performance-based stock award during a year in which intense competition and margin pressure bludgeoned the iPhone maker's stock. | |  | | SAN FRANCISCO (Reuters) - Social news hub Reddit snagged an interview with Barack Obama last year. The big get for 2013 was reaching 90 million unique visitors a month, according to the company, on par with the likes of eBay. This season, even Microsoft co-founder and philanthropist Bill Gates joined its Secret Santa gift exchange. | |  |   |  | | (Reuters) - The world's mobile phone carriers have failed to implement technology fixes available since 2008 that would have thwarted the National Security Agency's ability to eavesdrop on many mobile phone calls, a cyber security expert says. | |  | |  |  |  | A daily digest of breaking business news, coverage of the US economy, major corporate news and the financial markets. 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