Course Signage & App "what3words" to be used in the case of an Emergency

The emergency service use this app and its therefore suggested you install this as an app on your phone. Signage on the course is apparently being updated so if your stranded on the 5th green as an example the emergency services will now how to find you.

"What3words is a proprietary geocode system designed to identify any location on the surface of Earth with a resolution of approximately 3 metres. It is owned by What3words Limited, based in London, England. The system encodes geographic coordinates into three permanently fixed dictionary words".