Biometric identification technology isn’t a new thing, but it is evolving at a rapid rate. Some forms of the technology are still in their infancy, either too expensive, like retina or iris scanning or too unreliable, like face recognition.
Face recognition has been used by Facebook, in its photo tagging feature and also by Samsung as an unlock feature for its Galaxy 3 phone. Two issues come up here, one of privacy and one of security. Facebook has received backlash for its use of face recognition technology with its critics stating that it is a violation of privacy. As far as security, face recognition is still not reliable enough; there are too many variables and ways to fool it.
Still, security and privacy issues aside, this technology is truly remarkable and shows a great deal of promise. As it becomes cheaper and more reliable its uses will become more widespread. As a security feature, biometrics has the potential to greatly reduce, if not virtually eliminate fraud and identity theft.