Devices such as The Asirvia GO have been in use for a several years. Using Nearby technology developed by Google and Closeby technology developed by Samsung that is in operation almost worldwide.  

Our proprietary GOs are FCC compliant. It's not a text or an email. 

The end user, if they have their Google Nearby notification settings and their Facebook Nearby notification settings turned on, gives permission for the notification to be received.  However, the end user doesn't get directed to a link unless they actively click on the link themselves.