Tele Atlas

Did you ever wonder who made and verified the road maps used in Map Quest, Google Maps, Yahoo! Maps, Bing Maps, and every other mapping service? One company, Tele Atlas, has a fleet of cars roaming the world to record the road data. They sell this data to all the other services. According to this article on CNN, the company is planning a number of new developments, including 3-D maps and more 360 degree map photos. They have a job that will never end given all the road construction and changes going on.