[TriLUG] this is a serious question - how to detect things in photos with Linux

[Igor Partola]

How about putting in incentives for the users to not do this. You could put
a display outside the booth that shows all the recent pictures. Or ask them
to sign into Facebook/Twitter and tag them in the pictures. I remember
seeing a story about bouncers in bars in the UK that would check your ID
and then ask to see your phone to make sure your FB name and age match as
well. Apparently this was an effective tactic.

Igor