How facial recognition technology is creeping into your life

Facial recognition technology could revolutionize everyday life. But at what cost? Here's everything you need to know: How does the technology work? It scans faces, either in person or on a photograph, and measures distinguishing facial features such as eye position, eyebrow shape, and nostril angle. This creates a distinctive digital "faceprint" — much like a fingerprint — which the system then runs through a database to check for a match. Law enforcement agencies have had faces on...