By my measurement, no finer than 4290 feet / 1.31 km.
https://i.imgur.com/HKN3hyN.jpg
Both of these endpoints (and everything in between) are [telephone][megaphone][currency-exchange]. https://i.imgur.com/TzUU1cG.png https://i.imgur.com/5iTtm6c.png
The about page says 4m, but I could drag their example map over multiple blocks in my city without the emojis changing.
That's exactly the thing I noticed, too.
My phone doesn't have the emoji character for the second element around Dartford, London, UK so I just see an invalid grey box.
Not a resilient solution.
Re:What3Words – The Algorithm
by NelsonMinar on Monday May 03, 2021 @12:32PM
(#27027133)
I regret to inform you this parody of What3Words is not a completely usable and accurate system.
What's the spatial resolution of that? Seems to be dozens of meters at best.