China’s state-run Global Times boasted in an article on Thursday that Chinese people are increasingly becoming accustomed to the use of “emotion recognition technology,” artificial intelligence that allows the government to track human feelings, as part of everyday life. The Global Times illustrated the usefulness of this technology with an example in which police arrest passengers of a car after using artificial intelligence to discover drugs in their car. “Emotion recognition technology” tells the officers that the passengers are more nervous than the average person at a checkpoint, which they use as an excuse to search the car. The notoriously...