A system for contextualized location aware content delivery comprising a group of beacons transmitting respective ID's, an application running on a smart device configured for receiving the beacons, determining signal amplitude, reception time, beacon ID, and sending ID and amplitude to a server over a network. The server determines location of the smart device and contextualizes the location based on a context location database with the server. Context information sent back to application. Application sends context information along with user action information to an application server over a network. Application server sends context related information to application for display to a user on said smart device. The server, application, and beacons may be provided as a service to a facility for use with customer's smart devices. A beacon ID security method is disclosed. Beacons may include precision location technology and relay information to one another and to the server.