I have more or less the same thought as you (that a phone mapping app isn't helpful overall), but I can see how the moving map functionality and pinch-to-zoom w

I have more or less the same thought as you (that a phone mapping app isn't helpful overall), but I can see how the moving map functionality and pinch-to-zoom would be helpful to learn the overview of an area, in a way that I think the turn-by-turn optimized navigation is harmful.