That can help people, especially foreigners, to feel more secure.

GPS is very good for exploring. When you go out, you can be assured you can find your way back. But you must have reliable maps, or you might encounter some trouble Sometimes GPS gives...

While we were driving on the dam GPS told us to turn left. Had we done that, we would have killed ourselves. But GPS is fun. You can keep track of the roads you take....

That’s fine. You can take the laptop and use it in an emergency.