A bit old news, but you guys should check this out.
source - cnet.com, December 9, 2012 10:00 PM PST
http://news.cnet.com/8301-13579_3-57558151-37/australia-police-discourage-use-of-apple-maps-app-after-rescues/
So ,we learn two thing from this story,
a. be very careful about the map you create for others, most of the time people rely on you blindly,
b. be careful when you rely on a map blindly!