Navigating With Feedback From Fellow Drivers - New York Times
http://www.nytimes.com/2007/10/18/technology/circuits/18basics.html?ei=5090&emc=rss&en=788b2c4937539d23&ex=1350360000&partner=rssuserland
"There’s this long chain of cars up ahead. What if the cars could talk to one another?"