Trapster Speed Trap Sharing System for Mobile Phones

When you see a trap, press a button on your mobile phone, or call a toll free number. Other user's phones will alert them as they approach the trap. Data exchanged in real time. You only need a few friends in your area to sign up to reach critical mass. It uses GPS and WiFi location, voice transcription, and SMS. 2008 NAVTEQ LBS Challenge finalist!

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