That's true when the street address works. But in a lot of the world, street addressing is poor and occasionally non-existent. Also even in countries where stre

That's true when the street address works. But in a lot of the world, street addressing is poor and occasionally non-existent. Also even in countries where street addressing works well, big areas (parks, beaches, stadium entrances, car park entrances) don't have street addresses and another simple referencing system can be helpful. what3words is a human-friendly version of GPS co-ordinates which are too long and impractical for everyday use by human beings.