Or ... (as there are always more options in life) ... write down the names of the people you've played with ... after the game, post a message on each person's wall. I know , I know ... it's too much trouble. But so is holding a conversation with someone, rather than sending them text messages full of lol and omg ...
The human race used to communicate, now it abbreviates ... or doesn't do either.
But I like that tip Scott ... CTRL-A, CTRL-X, and CTRL-V + ENTER KEY ... nice ...