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Ok looking at this more I can see some of the benefits. It's less anglocentric than w3w, it can be generated and consumed offline with no access to a database, and it's freely licenced (Apache). It also has variable precision and shortening concepts built in. More sold on it.
Hi Jim, what3words works in 46 languages & offline. It also has error detection with similar words placed far apart & is perfect for voice input. Our app is free, we have simple pricing and free tiers for emergency services. You can see who uses us here https://what3words.com/products/
