Trapster Maps alerts you of Speed Traps

A Webapp called Trapster Maps will alert you when you are coming into a zone where cops usually monitor for speeders. These spots are given by other users. When your driving down a road and see a cop just press a button and it will be updated. Then when another person drives in that area you can confirm that it is a trap. Trapster is currently available for the Windows Mobile, the BlackBerry, the Nokia N95 and other S60 smart phones. It will soon be released for the iPhone 3G.