Apple and the bank are going to have even more of a relationship.  One of the founders of twitter is actually making a physical device that can scan credit cards and use your iPhone to do it.  While these devices do exist, they are very expensive.  However, with the large numbers of iPhones on the market and the number of people who could use this device, the possibilities are endless.  Think about this though, do you really want iPhone users scanning your credit cards with their devices.  How are you sure that they are not scanning your number and saving it for later use?  It seems rather security flawed at the moment, however, when the device nicknamed the “acron” launches it will be interesting to see how it is accepted by users.