The San Diego Convention Center uses the Spark Compass platform and Gimbal iBeacons..

The Spark Compass platform, powered by Total Communicator Solutions, Inc., is profiled in this video and highlights the use of personalized notifications based on proximity via Geo-fences and BLE beacons. There are currently several hundred beacons installed inside and throughout the San Diego Convention Center. These interact with the users of the San Diego Convention Center app "SDCCC" which is available to download on the Apple App store.
This video is part of a live presentation at the Adeje Tecnologico 14 expo in Tenerife, Spain. Among the keynote speakers is Francis Ortiz, Executive Director of Spark Compass, Europe and via online participation the president of Total Communicator Solutions, Inc. California, Erik Bjontegard.
The presentation will showcase how mobile devices and their interaction with the citizen can make cities smarter, more collaborative and generate interactions between governments and citizens. All this is connected via "Big Data".
The San Diego Convention Center app and platform are now live and beacons are activated - powered by Spark Compass by Total Communicator Solutions, Inc as shown in this short video shot on-location in San Diego. Hosted by Erik Bjontegard, President and Founder of Total Communicator Solutions, Inc this video captures a live walk through of some of the user interactions generated by the geo-features and Gimbal iBeacon proximity beacons places in the center.

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so this only works if you have the convention center app?