Paying close attention to the cards that opponents discard is a basic tactic. Players can learn a lot about the cards in their opponents' hands & modify thetin pattiir own play by paying attention to which cards they pick up or discard. A player may be working toward a particular set or sequence if, for example, they discard a card that another player frequently picks up. Players can use this information to make well-informed choices about which cards to keep or discard.