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Though biometric security is becoming increasingly commonplace, it was the stuff of science fiction movies not long ago - having played a prominent role in classics such as the James Bond films and Minority Report.
Another movie where the protagonist tries to bypass an iris scan is "Minority Report." In the film, Tom Cruise plays a disgraced policeman on the run who has eye transplants to conceal his identity. The officer also keeps his old eyes with him so he can log into the police network when needed. Obviously, in the real world, neither of these situations could possibly happen.
http://www.digitus-biometrics.com/blog/biometric-security-in-movies/
