I get so sick of having to keep up with all receipts. And hearing my mom fuss about not being able to find a receipt in the huge barrel she has of them. And let's face it she is the queen of returns but they won't even hardly exchange things anymore without a receipt. Even if you do find the one you are looking for it is likely not even readable because of the fading ink. So why not have some kind of card or chip that can store receipts on it. Like one card maybe a credit card type that a...