Waze is a real time GPS navigator that displays real time traffic updates. Best of all its FREE.
Here is the tour of Waze and how it works
http://www.waze.com/guided_tour/
Here is the direct download for WM devices
http://www.waze.com/WAS/mvc/select_d...t/usa/waze.cab
Iphone and Android also available
Can a Mod move this to software forum, Sorry!!!