This information enables you to modify your approach appropriately, possibly by holding onto cards that have the potential to complete their combinations. Also, keeping track of how many cplay slots for funards your opponents are holding can provide hints about how far along they are in the game. It could indicate that one player is having trouble or is working toward a big combination if they have been discarding a lot while another appears to be hoarding cards. By monitoring these dynamics, you can decide which cards to keep or discard for yourself with greater knowledge.