Can't really comment, but this blog post may point you in the right direction. http://googleblog.blogspot.com/2009/08/bright-side-of-sitting-in-traffic.html ht

Can't really comment, but this blog post may point you in the right direction. http://googleblog.blogspot.com/2009/08/bright-side-of-sitting-in-traffic.html http://googleblog.blogspot.com/2009/08/bright-side-of-sittin...