if you travel a lot and don’t mind giving up some private information (fingerprints & retina scan) to a federal agency then you could find yourself jumping to the front of an airport security checkpoint with membership as a TSA Registered Traveler.

for more info >> http://www.cnet.com/8301-13739_1-9884111-46.html?part=gtb&subj=news&tag=2547-1_3-0-5-gtb