When you edit your profile, each field includes some help text to explain what it is for. The text for Email gets cut off (Chrome 10.0.648.205):
What on Earth could this mean? The obvious choice is gravity, but I don't see how email could relate. So I have to go with my second choice: grave digging.
So please expand the Email field so it can include the entire phrase "never displayed, optional notifications, grave digging".