Feb 10, 2013Izzy’s Ice Cream Café, an ice-cream parlor in Saint Paul, Minn., is using an RFID system to help inform customers about its ever-changing menu of flavors—with updates available in near-real time—and to provide a quick and easy way to keep the store's signage up to date. With the RFID system, the shop launched a special page on the company's Web site listing all available flavors, updated every three minutes. The store also utilizes social-medi...