Anyone who has ever been stuck in an airport for a layover knows  how critical it is to have some place to pick up that magazine or latte....or $5,000 ring...

Whether killing time or scrambling to find last-minute souvenirs, most of us are at one time or another saved by airport shopping.

(via Shop 'til you takeoff: Top airports for shopping - todaytravel - Luxury Travel - TODAYshow.com.)