What’s crazy is that this was already fully functional and in-use at least 8 years ago. Idk how this has stayed out of the headlines until now. Microsoft had a working demo of this in their visitor center in 2015 and was already using it in multiple places. As soon as you enter the room it assigns you a persistent ID, estimates your height, weight, eye color, hair color, and age. Then it tracks your mood and the overall mood of the room continuously. The ID can be persistent across any number of linked locations. They don’t ask for anyone’s permission before using it.