https://www.wired.com/story/amazon-detect-fear-face-you-scared/

Amazon announced a breakthrough from its AI experts Monday: Their algorithms can now read fear on your face, at a cost of $0.001 per image—or less if you process more than 1 million images.

An online demo of Google's cloud-image analysis service shows how its AI software attempts to identify objects in photos and read facial expressions to discern emotions.