Support locations via what3words
Support indexing via what3words. This is an brilliant indexing system for the entire world where each 3x3m location can be indexed via 3 words. For example, the ChristChurch Cathedral can be located using "loaf.reason.closed"; much easier to say than "-43.5309188,172.6371539"
This location cane be shown on a map using the url http://w3w.co/loaf.reason.closed
I think two features would be really useful here:
* Display the what3words location of the cursor in the Coordinates menu.
* Provide an alternate URL scheme to allow the w3w address to be added to allow embedding, links etc.
From the what2words website:
what3words is a really simple way to talk about location. We have divided the world into a grid of 3m x 3m squares and assigned each one a unique 3 word address. It means anyone can accurately find any location and share it more quickly, easily and with less ambiguity than any other system.
The service can be used via the free mobile app or online map. It can also be built into any other app, platform or website, with just a few lines of code.
Read on to see how what3words could revolutionise your business.

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I do like the concept and was keen to implement it for both search and coordinate conversion functionality. However after a bit of research I found quite a bit of advice against using it due to its closed proprietary nature e.g.
https://wiki.openstreetmap.org/wiki/What3words
https://shkspr.mobi/blog/2019/03/why-bother-with-what-three-words/
https://blog.ldodds.com/2016/06/14/what-3-words-jog-on-mate/
It's a shame, but due to its closed nature I won't be implementing support.