Retailers who issue loyalty cards to bring customers back again and again are getting some high-tech help in the form of smartphone applications, the New York Times reports.
Two companies, Cardstar and Key Ring, are rolling out apps where customers only need to tap a key or two to have coupons delivered to their phones.
And while there might be a cost involved for retailers to purchase the needed equipment to access such offerings, there might be an equally strong payout in customers loyalty.