Biometrics is one of those technologies that got a huge boost from an awful event -- Sept. 11. The resulting need for heightened security in virtually every walk of life has turned biometrics -- which uses a physical attribute such as a fingerprint, face, hand, voice or iris as a unique identifier of an individual -- into a billion-dollar industry. According to the International Biometric Group, New York, total biometric revenues will grow from $719 million in 2003 to $1.2 billion this year ...

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