It's a high tech wayto do the same thing people have been doing for years with CB radios and flashing headlights at other drivers to warn them of a speed trap ahead. It works using the GPS and WiFi location capabilities of your iPhone 3G.
As you approach a trap an alert sound with play, according to the type of trap (for example "Live Police!"). You can report traps that you see by simply tapping the screen. You can also rate the traps that other users report. The system learns the credibility ofusers over time based on how many other users agree with the traps they report.
It's FREE, and might save you a lot time, embarrassment, and money spent of traffic violation fees and increased insurance premiums. Download it now and give it a try!