Keeping tabs on the cards that have been used & those that are still in play can yield important information for strategic decision-making. Gamers can learn whicno slots availableh cards are still available and which ones are most likely to be drawn next by keeping an eye on the cards that other players have discarded and those that have been taken up from the draw pile. Players may be able to plan their moves more efficiently and have a higher chance of creating sets and sequences as a result.