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I learned about pluscodes because of this and they seem quite elegant: https://maps.google.com/pluscodes/

The algorithm is also extremely simple, I've seen code golf with less than 100 char in most languages, and realistically just a couple lines of code.

I like that you can recursively add more precision after the plus, as well as truncate some of the start if you provide context like the country or city. For example all of Montreal lives within the "87Q8" block, so I can just truncate that away if I specify that I'm in Montreal.

Doesn’t the plus code algorithm rely on tiling the globe with a space filling curve? I’d be surprised if that could be done simply.

No, the plus code system is purely grid based.

pluscodes are also known as "Open Location Code" and the github repo is: https://github.com/google/open-location-code

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