Considering how anal the local authorities can be about affixing blinking lights and mods to your car, this one's just fyi. That said, if you can make a case for the Drivemocion reducing road rage on the highway, more power to you. This illuminating message sign sticks to your back window (via suction cups) and is remotely controlled via a panel on the dashboard....
Original post by juniper.foo@cnet.com (Juniper Foo)