Whether you're intrigued or sceptical about it, use of facial recognition technology is growing – and now Fujitsu claims to have developed a way to help track emotions better too. The company's ...

Emotion-recognition systems share a similar set of blueprints and founding assumptions: that there is a small number of distinct and universal emotional categories, that we involuntarily reveal ...

As with facial recognition, easier access to emotion-recognition algorithms seems to be causing the technology to spread more widely, including into law enforcement.