Yup that's what I was just reading. Bingo, Facebook facial recognition technology.
https:// www.theguardian.com/world/2018/jan/18/china-testing-facial-recognition-surveillance-system-in-xinjiang-report
https:// www.huffingtonpost.com/entry/china-surveillance-camera-big-brother_us_5a2ff4dfe4b01598ac484acc
https:// facedetection.com/algorithms/