Long have discussed facial recognition uses. Here a test at the point of sale at KFC China. Evan Schuman makes a good case that the proposed use is dangerous, especially in US and European cultures. Consider also other uses by Baidu. Read below.
KFC's facial-recognition trial is a disaster in the making
A new facial-recognition trial from KFC China and Baidu has more potential to alienate customers than to help them. by Evan Schuman