It's not without its problems. Mountain Rescue services actively try to discourage its use. https://www.grough.co.uk/magazine/2022/08/31/dont-rely-solely-on-wh

It's not without its problems. Mountain Rescue services actively try to discourage its use. https://www.grough.co.uk/magazine/2022/08/31/dont-rely-solely-on-what3words-app-say-lakeland-rescuers-sent-to-wrong-side-of-lake https://www.grough.co.uk/magazine/2022/08/31/dont-rely-solel... This is relevant: https://cybergibbons.com/security-2/why-what3words-is-not-suitable-for-safety-critical-applications/ https://cybergibbons.com/security-2/why-what3words-is-not-su...