Get Important insights by counting cards. Card counting is an advanced technique that involves keeping track of the cards that are still in play and those that have alexplorer slotsready been played. You will learn important information about which cards are probably going to be available to finish your sets or runs if you do this. This can ultimately increase your chances of going out first & maximizing your winnings by assisting you in making better-informed decisions about which cards to pick up or discard.