Pretty good concise video on China Big Brother watching and being able to track everyone everywhere (not just inside China) by facial recognition. Now they’re trying to entice Taiwan so they can track all Taiwanese.
China’s very advanced and do it for their own purposes but many countries in the world are doing it and improving their capabilities.
People don’t realize that once they have your face, then they can combine that with your location data, and combine with faces of other people’s location data, and see who you are meeting and passing by whether it’s in a restaurant or on the street or anything.