'My name is Mike and I am a map addict. There, it's said…'Maps not only show the world, they help it turn. On an average day, we will consult some form of map approximately a dozen times, often without even noticing: checking the A-Z, the road atlas or the Sat Nav, scanning the tube or bus map, a quick Google online or hours wasted flying over a virtual Earth, navigating a way around a shopping centre, watching the weather forecast, planning a walk or a trip, catching up on the news, booking a...