When it comes to local commerce, the ultimate prize everyone is going after right now is how to close the redemption loop. The redemption loop starts when a consumer sees an ad or an offer for a local merchant, and is completed when the consumer makes a purchase and that purchase can be tracked back to the offer. If you know who is actually redeeming offers and how much they are spending, you can be much smarter about tweaking and targeting those offers. Groupon, LivingSocial, and other daily deal sites have created enormous value by pushing the redemption loop the furthest. When someone buys a daily deal, for instance, that translates into cash for the merchant. But for the vast majority of their deals Groupon and LivingSocial do not track whether or not they are ever redeemed, much less the amount each consumer actually spends at the store or restaurant once they show up. In order to complete the circle and track offers all the way through redemptions, it is necessary to either tap into the payment system or create an alternative way to track …

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