Commercial companies have had a stranglehold on all the worlds maps, until the arrival of Open Street Map, a project that is akin to wikipedia for mapping and cartography. OSM offers endless customisation possibilities, is entirely open source and in many parts of the world is rivaling the best online and paper maps. Andy Allan explains how he's been adding information relevant to cyclists and explains how anyone can contribute to the project. George Coulouris and Jean Dollimore give a guided tour of Camden Cyclists' collaborative London cycle route mapping project. More information at:
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