Here's a warning that caught our eye: A sticker in the window of a taxi warning riders in Dallas that if they try to pay by credit card, their identities may be stolen. The sticker was captured by Cory Doctorow, an editor for Boingboing.net. "WARNING," the sticker read. "The method used to authenticate credit card transactions for approval is not secure and personal information is subject to being intercepted by unauthorized personnel."
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