Bringing technology into a casino in the United States is illegal, no matter what type of electronic device you will face jail time. But that is only if they catch you. Better yet you could be card counting in your head, of course with 5 decks on the table that complicates things but it is not illegal. Here is an interesting look at how technologies have helped certain gamblers get a salary. And if you like this type of casino documentary you should also watch “Making Millions the Easy Way“.