I think he's getting this idea from Asian countries where their payment information is linked to their phones, so that they can make purchases with the swipe of

I think he's getting this idea from Asian countries where their payment information is linked to their phones, so that they can make purchases with the swipe of their mobile device. I think we're heading in this direction. Google Wallet is already thinking like this. It's not too far of a leap to think Apple will do something similar.