So, who is providing the software? Because that's who is paying to get a unique data set of face images. Specifically Brazilian faces of people who either self-indentify as hung over or want to try to game the system for a discount. I'll let you guess which population is going to be bigger.
Feels like their training AI with live data until it gets good at detecting drunk people. Law enforcement and private security will love it. Precrime detectors in Training.