When deciding which cards to keep and which to discard, this can offer insightful information about the cards that other players are holding. Examiclassic slots real moneyning the Trash Pile. A player may know it's safe to pick up a card if they observe that it has been discarded several times, suggesting that other players may not require it. However, it might be best to refrain from picking up a card if a player observes that it hasn't been discarded at all.