OpenStreetMap
OpenStreetMap is a free editable map of the whole world. It is made by people like you.
A case study of the concept can be viewed here http://twitpic.com/7uv6ah
OpenStreetMap is a free editable map of the whole world. It is made by people like you.
A case study of the concept can be viewed here http://twitpic.com/7uv6ah