Have you ever picked up a map and just felt more lost after looking at it than you had beforehand? To make high quality, user-friendly maps, simply having loads of geographical data isn't going to cut it. Before hitting the shelves, a Hema product travels through a series of different processes.
GPS devices use satellites to monitor your position. They are quickly becoming the standard navigation devices for all kinds of travel. They're great for planning out journeys, allowing drivers to drop way points and save trips, and contain massive amounts of data that simply can't be displayed on printed maps; points of interest, camp sites, petrol stations and so on.