Source: Deloitte’s IoT Reference Architecture; Simon Property Group, “Simon and Mobiquity technologies to expand iBeacon network nationwide, creating opportunity for new level of connection between shoppers and retailers,” August 4, 2014; IOTAS company website; Gizmag, “Deloitte’s new Amsterdam HQ has connected, sensor-packing LED lighting,” July 28, 2014; SupplyChain24/7, “Enter the smart (Internet of Things) warehouse,” July 5, 2015; Deloitte Center for Financial Services analysis. Note: Smart buildings: How IoT technology aims to add value for real estate companies is an independent publication and has not been authorized, sponsored, or otherwise approved by Apple Inc.; iBeacon is a trademark of Apple Inc.