Geofencing marketing is the practice of using global positioning or radio frequency identification to define a geographic boundary, and it’s being utilized more than ever! This week, Burger King made headlines with their latest marketing campaign. Beginning on Tuesday, consumers can open a newly revamped Burger King app and venture within 600 feet of a McDonald’s location. This will trigger a deal within a geofence that allows them to order a whopper for one penny. Consumers are re-routed to the nearest Burger King location for pick up. This promotion has been named #WhopperDetour and will only run through December 12th. …