At some point in the last few months, I managed to get $35.58 ahead on my phone bills. So the phone company sent me a bill, as always - but this one showed: Total Amount Due: $35.58 CR Of course, it showed the various and sundry breakdown of charges and whatnot, so they actually sent me 2 printed pages, double-sided, to tell me that I don't have to pay them anything. The truly impressive thing? They enclosed a reply envelope, so that I can mail them my payment of negative 35 dollars and 58 cents! I wonder how much they waste each year doing this?