OSM's map is definitely more detailed and has been online for several years now. And while they are both crowd-sourced, Google's version is closed data. It's a

OSM's map is definitely more detailed and has been online for several years now. And while they are both crowd-sourced, Google's version is closed data. It's a real shame. http://wiki.openstreetmap.org/wiki/Google_Map_Maker http://wiki.openstreetmap.org/wiki/Google_Map_Maker