what3words has given every 3m square in the world a unique 3-word address. ///kite.chats.dine, for example, will take you to a precise spot in a field next to the River Ouse in York.

The app is free to download for both iOS and Android, or by browser, and works offline – making it ideal for use in areas with an unreliable data connection. The 3-word address format is also consistent anywhere in the world, and available in over 47 languages to date.

If you see someone in trouble by the water, call 999 immediately. Using a what3words address to help emergency services know exactly where to send help. Most 999 contact centres in the UK are accepting what3words addresses but check out the full list of 999 contact centres first.

Download the app Remember to call 999 first

what3words website