Summary: Next year, Bluetooth beacons will be installed in baseball stadiums to send messages to iPhone owners using the "At the Ballpark" app. CNET's Bridget Carey gets a demo of the new technology at Citi Field in New York.
Summary: Next year, Bluetooth beacons will be installed in baseball stadiums to send messages to iPhone owners using the "At the Ballpark" app. CNET's Bridget Carey gets a demo of the new technology at Citi Field in New York.