See this thread and it's reference to an even earlier thread for more information.
You can never know everything, and part of what you know is always wrong. Perhaps even the most important part. A portion of wisdom lies in knowing that. A portion of courage lies in going on anyways.-- Robert Jordan (1948-2007), The Wheel Of Time
I really need to take that out of the menu, because I've seen Guru try to fix it three times and each time he was no closer to figuring out how to bring it back. I can only shame the man so many times. ;-)
It's an average...easiest way to figure it out? The thread had the same rating as you did before I replied (since your post was the only one in the thread obviously). Unfortunately, I'm dragging the thread rating down, because mine is lower than yours....