Description : What's the best idea you've ever had that you have no way of turning into something real?
Last Answer : A universal Loyalty Card (i.e.: Safeway card, Border's Rewards card, etc.). All you need is a GUID (globally unique ID), and the various companies could use that as a token while still keeping their ... one card instead of 20 (or even a barcode sticker to put on another card or keychain), I would.