neutralino writes "The Wall Street Journal has this story about a biometric airport security system which uses biometric responses — blood pressure, pulse and sweat levels — to series of questions ("Are you smuggling drugs?") to identify passengers with "hostile intent." According to the article, "In the latest Israeli trial, the system caught 85% of the role-acting terrorists, meaning that 15% got through, and incorrectly identified 8% of innocent travelers as potential threats, according to corporate marketing materials.""
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