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Key Paranoia

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There was an interesting albeit brief writeup in the February Popular Mechanics about a program developed by a pair of computer scientists at UC San Diego. Apparently when keys are cut, they use very discrete shapes and depths. And so this program is able to take images made of a key and use the image combined with its knowledge of how keys are made to make duplicate keys. And get this... those images can be grainy and low res. According to the article, pics taken with low-res cellphones work and so do regular resolution telephoto shots from rooftops 195 feet away. How's that for scary? I guess you'd better not leave your keys anywhere that they're visible anymore. Well, not unless you want uninvited guests, that is. You leave your keys on a counter for a moment while you search a pocket for something and that person next to you with a cellphone? Snap a quick pic and he's got your key. Scary. Or think about those security cameras in stores---how easy would it be to sel...