I was really into the idea of card counting when I was in high school (over 10 years ago) and remember coming across multiple sources that claimed casinos did this as part of their arsenal to detect people who've been blackballed.
I was really into the idea of card counting when I was in high school (over 10 years ago) and remember coming across multiple sources that claimed casinos did this as part of their arsenal to detect people who've been blackballed.