geofencing

Geofencing is a virtual fence in the real world. When combined with our homing beacon -- the smartphone that identifies us everywhere we go -- it becomes a tool with extraordinary powers, for good and evil. Several recent court cases, which likely have escaped your attention, may give you more than a moment's pause in this era of the coronavirus. 
When lawyers and marketing firms can directly target patients via their mobile phones – while, yes, even in the ER – the time is yesterday to preserve the once-presumed protected health information.