W3W suffers horribly from "call for price". You won't catch Google or Amazon making you call and talk to a human being (on GMT time no less) before figuring out if you can afford their service. I'm preparing my own version, truly open source (though with a premium component), with the following improvements over W3W: •Length-optimized. If one character sufficiently describes your location, you don't need to tack on e…
> With pencil and paper, you'll be able to figure out how to go N, E, S, W by X distance by adjusting a particular character.
Topologically speaking, I am intrigued :)