I'm more interested in the MintChip to get rid of cash currency completely. If I can just swipe or tap to pay for things at retail and online, etc. it would be much nicer. I've been to other countries and cities where they have more elaborate cash card systems and they are convenient.
http://www.google.ca/url?sa=t&rct=j&..._8BcVJzcmZ3JJw