Look, violence doesn't solve everything, but ING Direct reckons a gentle fist bump can help fix financial quarrels between you and your buddies. Recently added to the bank's iOS app is a feature that makes use of Bump Technologies' API, with which a physical bump between two active devices instantly triggers a money transfer, thus saving the sender from having to put in account details. 'Course, this is only usable for transactions within ING for the time being, so you'll have to stick to other methods for some quick and dirty mobile payments to the outside world.
