Emotion recognition systems, which have been installed in Xinjiang, have started rolling out across China even as experts say the tech does not work very well (Financial Times)

Financial Times:
Emotion recognition systems, which have been installed in Xinjiang, have started rolling out across China even as experts say the tech does not work very well  —  Emotion recognition was the crime prevention buzz-phrase on everyone's lips this week at China's largest surveillance tech expo, held in the southern tech hub of Shenzhen.