Brady Forrest, covering FOSS4G2006 for O’Reilly Radar, links to some fascinating animations from the OpenStreetMap project.
This one tracks two days’ worth of courier activity in London:
There are also videos that track the growth in GPS traces for OpenStreetMap in London and the UK.
The blog associated with OpenStreetMap is OpenGeoData.
See previous entries: Ed Parsons on OpenStreetMap; OpenStreetMap: Manchester’s Next; OpenStreetMap to Map Isle of Wight; OpenStreetMap London Poster as Fundraiser; OpenStreetMap; London Free Map.