Bismillah writes: The Preferred Network Offload feature in Android extends battery life, but it also leaks location data, according to the Electronic Frontier Foundation. What's more, the same flaw is found in Apple OS X and Windows 7. "This location history comes in the form of the names of wireless networks your phone has previously connected to. These frequently identify places you've been, including homes ('Tom’s Wi-Fi'), workplaces ('Company XYZ office net'), churches and political offices ('County Party HQ'), small businesses ('Toulouse Lautrec's house of ill-repute'), and travel destinations ('Tehran Airport wifi'). This data is arguably more dangerous than that leaked in previous location data scandals because it clearly denotes in human language places that you've spent enough time to use the Wi-Fi."
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