We've heard talk about Google Wallet and other platforms wanting to make your phone your wallet.
Well, this isn't that, but it does mean you can use your iPhone as a physical wallet.
I already carry around "Wallet 2.0" as I call it - just a thin folding wallet that has room for ID and a couple of cards, and a money clip on the outside for bills. Coins jingle around in my pocket until they get dumped into a bucket of change back at home.
I'm putting this on my wishlist.