>a typical navigation device will store all the maps for all of Europe Yeah but it won't also have several GB of games, audio, apps and photos on it as well. P

>a typical navigation device will store all the maps for all of Europe Yeah but it won't also have several GB of games, audio, apps and photos on it as well. People would cry bloody murder if they found out google was using 7 GB of space to cache the world map by default. If you are a person who needs a world map at their fingertips there are apps for that but the average person just needs google maps to figure out what turn the should take occasionally.