For a taste of sci-fi cool, the new system offers Android Beam, a handy way to let smartphones talk to each other simply by touching the devices. This feature will work only with Android phones that contain a special “near-field communication,’’ or NFC, chip, which sends out a tiny radio signal. Samsung and a few others have begun adding these chips to their phones, and a few retailers let you use such phones to pay for purchases. Instead of swiping a credit card, you just wave the phone over a scanner.
Article source: http://www.boston.com/business/technology/articles/2011/12/22/tasty_ice_cream_sandwich_from_google/