If you ever had any doubts about the power of crowdsourcing, or simply about willingness of hordes of anonymous strangers to commit time and resources just to a cause, totally for free, have a look at the following video. It highlights a year of edits of free OpenStreetMap data.
"It's not the destination, but the journey that counts..."
About All Things Spatial Blog
This blog started as a personal journal of an individual passionate about maps, spatial analysis and related technologies. All Things Spatial is now a title in a wider network of associated online media assets.