You’ve probably heard all about location-based coupons that pop up on your phone when you approach or enter a store. But how about coupons that self-destruct if you leave the store?

Coupons triggered by your specific whereabouts aren’t yet commonplace. But IBM is already taking the idea one step further. In a newly-published patent application, the company gives the concept a new twist, by describing a system that would offer you coupons when you enter a store, or even a specific aisle of a store – and then take them away if you don’t use them right then and there. Read the entire Coupons in the News article here.