With Marple being on the edge of the Peak District and likely to have people wandering out into the hills, I thought this was worth publicising. What3Words is a location finding App for your Smartphone or Tablet.
It says it can pinpoint you to within 3 metres, so in an emergency the police etc can find precisely where you are, so even if you have no mobile signal provided you can send someone with the 3 Words to where there is a signal the police etc can go straight to the emergency point.
It can be used for many other purposes such as where a Post Code is just not sufficient or not known.
As all school children seem to have a smart phone nowadays it would be a useful exercise to see if they could use the App.
If you decide to try it, try going here
https://w3w.co/stay.younger.listening You will need Google Maps or similar also on your phone or Tablet and then it will navigate you to the point.
For more information read this article:-
https://www.bbc.co.uk/news/uk-england-49319760