Surveillance security systems and smart DVRs have come a long way in the past decade with the invention of features such as motion detection, scheduled recording, and live video streaming over the web. The lastest development, however, not only surpasses these features in usefulness, but downright puts their technological breakthroughs to shame.

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Biometrics, and fingerprint scanners in particular, are effective in helping soldiers tell who’s an ally and who’s an enemy. The drawback to biometric scanners, however, is that the person in question has to come in physical contact with the soldier scanning his/her prints; thus putting the person doing the scanning in danger every time they want to read a potential criminal’s prints.

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