With the help of 4.2 trillion points of data.
These impressed us for both what they illustrated and how they did it.
How highway interchanges become beautiful color-coded open-source maps.
Of course, these people know how to map their own mapping exploits.
OpenStreetMap debuts a new map editor that will close the gap between grassroots mapping and its giant industry rivals.
Looking back over the history of the crowdsourced digital street map, a familiar pattern emerges.