Visa wire heads

by Catrin Altenbrandt and Adrian Nießler  

The technology behind credit cards is changing: theoretically it is already feasible to put all data on just a tiny chip. This revolution is called RFID and offers new possibilities to use and to design credit cards. The notion of a credit “card” is still valid, but the more touch-free payment systems become ubiquitous the more the physical aspect of a 'card' will disappear. The card as a quiet little service provider will become invisible and will not be in purses or pockets any more. But how do you design something that does not exist any longer?