Apple announced that from February 2015 it will only accept new apps compiled for the 64 bit architecture, while updates to existing apps must be 64-bit capable from June 2015.
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iBeacons - an opportunity to greet, inform and convert customers
iBeacons enables marketing to extend a warm greeting through customers' phones when they walk through the door of a museum, or automatically open a commuter's pre-purchased pass as an iBeacon-enabled bus approaches, or present additional information about an Ultra HD television set a customer stopped to admire in-store - as well as a "buy now" button.