My battery had swollen - so much so that the back cover was bulged. So when I was removing screws, I was really careful and did every-other-one first on one side, and then the other, then back to the first side, etc. Even in doing that, one of the screws went flying...somewhere...I never did find it, but it hasn't seemed to effect anything. And when I do find it I know I can get back in my phone to put it back.
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
No reputation gained yet.