Mobile Gift Cards - software is downloaded to a smart phone such as a blackberry which interacts with a server to get your gift card information and puts an image of your gift card on the phone screen. Next time you go to buy forget the card touch the screen of you smart phone to the reader. New breakthrough idea came from Starbucks, Target and Home Depot, below is a link to the target site:
http://www.target.com/Mobile-GiftCar...ode=2242345011