https://coldfusionexperts.wordpress.com/2013/11/11/geocoding-with-google-map-api-and-coldfusion

https://stackoverflow.com/questions/2234204/find-nearest-latitude-longitude-with-an-sql-query

https://www.w3schools.com/html/html5_geolocation.asp

https://developer.mozilla.org/en-US/docs/Web/API/Geolocation/watchPosition

https://www.w3schools.com/jsref/obj_navigator.asp