Passport could be pretty big... point of sale advertising, in store purchases, promotion, etc... A lot of potential revenue here. I had an idea similar a while

Passport could be pretty big... point of sale advertising, in store purchases, promotion, etc... A lot of potential revenue here. I had an idea similar a while back and then found... http://keyringapp.com/ http://keyringapp.com/ Apple is in a much better position to launch something like this, as it needs quite a few relationships difficult for a new start up to establish and scale.