Make players automatically drop all their waiting games after a defined period of inactivity.
I just joined a 12 players doubles games. I go to my partner wall to ask him to take care of read the chat so that we can discuss the strategy and then I noticed I can't post messages on his wall because he is inactive since a long time.
It seems he didn't play on CC since july this year.
I suggest that a player is automatically kicked out of all his waiting games after one month of inactivity.
Currently we have that system for speed games, after a certain times of inactivity you drop all your waiting speed games automatically. A similar system should be applied to 24h game as well.