POWERED BY advances in artificial intelligence (AI), face-recognition systems are spreading like knotweed. Facebook, a social network, uses the technology to label people in uploaded photographs ...

Eventually, facial recognition technology will evolve to the point where it makes few mistakes. That's where the real concerns are.

Fujitsu Laboratories has developed a technology that is more accurate at tracking complex facial expressions such as awkward giggles, nervousness or confusion.

Federal study shows face recognition accuracy varies by gender and race It's not definitive proof of bias, but there are reasons for concern.