Nick Ackfield works with National Park Authorities, tourism boards and local councils in the UK to help them improve their visitor' experience with what3words. He explains how the system, which has given every 3 metre square in the world a unique combination of three words and is available via a free app and online map...

Getting into hiking can be one of the best decisions you make in your life. Perhaps you're looking to get fitter, join a club to meet new people or just to get to know the great British countryside a little better - whatever your motivation, it's a great way to spend your time.

London and I have never really got on. I find the capital loud and overcrowded, expensive and grubby. London, in return, is utterly indifferent to my very existence. So we share little common ground, it's fair to say. But there is one corner of England's cocky, choked capital that I am always happy to revisit.