Facial Recognition Is Spreading Everywhere

Facial recognition technology (FRT) dates back 60 years. Just over a decade ago, deep-learning methods tipped the technology into more useful— and menacing —territory. Now, retailers, your neighbors, and law enforcement are all storing your face and building up a fragmentary photo album of your life. Yet the story those photos can tell inevitably has errors. FRT makers, like those of any diagnostic technology, must balance two types of errors: false positives and false negatives. There are three