On Facebook, I've got about 30 people that I know, and 500+ that I've friended so they can be in my mafia (Mafia Wars). I'm okay with everyone that I actually know seeing my wall and everything else. I want the Mafia Wars group to only see some stuff, like the Mafia Wars updates. I had it set right, and now that they've changed the privacy settings, it is messed up. I spent more than an hour last night trying to figure out which setting to change so that group could see the Mafia Wars updates again. They can see my wall, and when I look at my own profile, I see that the application updates are there. I still can't figure it out.
My point is, when you've got different groups of people who've got different access levels, it can be tricky.