If you're interested in learning about the companies that provide Google, Yahoo, MSN, Mapquest and many others the data for their digital map services, a Newsweek article: It's the Road Now Taken, offers an overview of the two companies that provide most of the data, Navteq and Tele Atlas. You'll also read about the people who drive around updating each companies database.
Thanks to Directions for the tip.
This Year's Premier Digital Marketing Event is #CZLSF
ClickZ Live San Francisco (Aug 11-14) will bring together the industry's leading online marketing practitioners to deliver 4 days of educational sessions and training workshops. From Data-Driven Marketing to Social, Mobile, Display, Search and Email, the comprehensive agenda will help you maximize your marketing efforts and ROI. Register today!