This is at JFK, does anyone know what they are used for? There wasn’t an obvious time when it was taking a picture.
This is an ICM Self Check In Kiosk, which features a "passenger feedback camera" and offers "a single token end to end processing experience".
Basically exactly what you think it is, an advanced biometric system for reading your face. I don't think airports have it activated yet, but maybe one day you'll be able to check in without scanning a boarding pass or passport for the low price of your privacy.