The geographic information system is really too good, now even go away, or go to a strange place, I will not be afraid of their own lost, because I have a geographic information system, so I especially love the geographic information system, I am a Luchi, so each time I play in Yemen, the family will not stop me and let me Caution! Words, they were afraid I lost, then I know that the geographic information system, I will give up my installation, as long as it is now out of the door, I open the geographic information system, I think especially good with it, so has the geographic information system, even if it is to go further away, the family do not have to worry about.