Steve Orell from Proximity Insight has written an article for the Salesforce Blog (also featured on Forbes) about how data captured in Salesforce is revolutionizing the iBeacon experience.
http://blogs.salesforce.com/company/2014/09/ibeacons-mind-readers-gp.html
http://www.forbes.com/sites/salesforce/2014/09/11/ibeacons-mind-readers-2/