The winter olympics start tomorrow in the Russian city of Sochi. Olympians, officials, and reporters have been arriving all week, with lots of devices in tow. And that means there's been a lot of talk about digital surveillance. Russia's government doesn't have the best record in, say, protecting freedom of the press. Ars Technica's senior business editor Cyrus Farivar has been looking at how to use technology while at the games and joined us to help explain.
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