The Future of Dough: A Rap Video for Money20/20

This is an entertaining rap video about the dramatic changes coming for payment systems. One prediction I think is a bit off target is the second sentence in this part of the rap lyric: 

You can pay by finger, by eye or Google glass. The next evolution: PayByAss. …

By the way, you can see my rap video about the monetary policy possibilities opened up by electronic money here (and here is Tom Grey’s better rendition of the same lyrics).