At last week's DEMOfall 09, TZ interviewed Waze. A free mobile navigation application which is crowdsourcing to build its maps. All you have to do to contribute is just keep the application running (make sure you have the car charger plugged in because it kills your battery life) and drive. while you're driving Waze monitors speed, starts, stops, and can even tell you if there is traffic ahead. According...Read More: http://www.techzulu.com/waze-crowdsourcing-to-build-maps.html