James Bond and Ethan Hunt have been using facial recognition, fingerprint scanning, and optical readers for years on the silver screen. In the real world, the use of technology that identifies unique physical characteristics of individuals (“biometrics”) is rapidly becoming more prevalent. In fact, the Department of Homeland Security uses facial scanning to identify potential terrorists, federal agencies have adopted fingerprint technology to confirm the identity and immigration status of aliens, and private entities have begun implementing palm and retina scanners and other identifiers to complete financial transactions or control access to secure information. Even the new iPhone 5 contains “Touch ID” technology, where a sensor quickly reads the user’s fingerprint and automatically unlocks the phone for the correct fingerprint.
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