I’ve heard of one a few years ago where there was a painting in the background that eventually was used to identify the hotel and then the hotel records could b

I’ve heard of one a few years ago where there was a painting in the background that eventually was used to identify the hotel and then the hotel records could be used to tie it to a person. It was a number of years ago so I don’t remember the details to look them up. I’m not sure how effective it is overall, and am certainly wary of anything privacy-eroding, but I do remember reading that story around the time it happened.