write Playing cards, with or without bar codes, can be read automatically by the casino’s computer, as they are dealt. The casino can buy chips with RFID (Radio Frequency Identification) tags, like the ones embedded in your car keys. This allows the casino’s RFID reader to know exactly how many chips each player is betting every hand. What, then, is the purpose of learning poker card counting? And what exactly are you counting? The simple answer is that there’s no purpose to learning card counting
