A while back I was taking part in a campaign and, to make a long story short, one day I noticed that that campaign was suddenly gone from the list of campaigns I was taking part in. My idea is that it might be a good idea for a GM to be able to send out a notification saying that they're deleting the campaign (and why, if they're so inclined) so folks like me aren't completely blindsided by this sort of thing. As a side note, we had only had one session so far, and nobody had really done anything offensive (that I noticed), but I think the fact that the GM was running a few other campaigns might've been a reason for canning the game.