UN are using iBeacons to create a virtual minefield at The New York Museum of Contemporary Art. Users install the app Sweeper and then try to navigate a room containing hidden iBeacons, which simulate mines. 

A thought provoking use of iBeacons technology. 
http://tinyurl.com/o4c7ntp

iBeacons have naturally gravitated to the world of shopping, but how else can they be used? 

At Mobikatsenterprise we are exploring a number of usage scenarios from museums, the office, industrial settings and even in the home. Once you put your mind to it, the ability of iBeacons to provide micro-location possibilities, means almost endless ideas on how they can be used to enrich mobile app experiences. Through this blog, we’re try to keep you up to date with what we and others are doing with iBeacons.