EDIT, JANUARY 2020: Guys, this article was written ten years ago. I'm leaving this guide up, in case it still contains anything helpful, but I have not kept track of the changes to the Groups system and can make no guarantees for accuracy/up-to-dateness. If you have a question about why you can't find a particular button or setting mentioned in the article, I don't have an answer for you---the thing you're looking for may simply not exist anymore. I'm sorry, and I hope that you can figure out how to solve your Groups issues! :(
The new Groups system is great, isn’t it? Once you get a handle on all of the extra settings, the system make