This week, Staffordshire PCSO Jonathon Staples reminded us about an important app. What3words is a location system that assigns every 3m x 3m square in the world a unique combination of three words and is widely used in the UK for navigation, deliveries, and emergency services. T his is a free app that allows you to pinpoint your exact location using a unique three word code. You can then use this code when you call in an emergency to help services find exactly where you are