http://www.t3.com/news/bmw-creates-the-car...ttr=T3-Main-RSSBMW creates the car key credit cardDon't flash your cash, flash your keys
If someone at the till is flashing their BMW car keys, they might just be showing off. Or they might be paying for their goods with that could be called the BMW car key credit card.
Did you mean Bus-Metro-Walk, Ken
Good idea. Compacting so many uses into one little devices; I love that concept.