Biometrics such as facial recognition are continuing to gain traction for identity verification. Facial recognition uses artificial intelligence (more specifically, computer vision) to match features in a person’s face to a known picture, ultimately confirming or rejecting a match.

One of the most visible applications of facial recognition is at airport security checkpoints, where the Transportation Security Administration has incorporated it into its Credential Authentication Technology to provide a robust framework for validating travelers’ identity. This application is being met with concern by some lawmakers, as they attempt to slow its use at airports due to privacy risks, even with the many benefits that it offers today and well into the future.

As facial recognition technology continues to advance in its accuracy and reliability, the footprint of applications will continue to grow. Any time a person must validate his or her identity, facial recognition is an obvious solution.

In-person retail purchasing certainly comes to mind. When entering a store, consumers can take their items to check-out kiosks, where the items are automatically scanned, with........

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