ARE YOU FREAKING STUPID ! ? 80 to 90 percent of the mountain biking trails are so far from cellular phone service that you'll run your phone dead trying to connect. If your that concerned about your safety get a real safety device that sends an ALERT SIGNAL Via Satellite ! ... That is THE ONLY WAY to be assured someone will find you before the Bears and Mountain Lions have you for dinner. This app is a FALSE sense of security.
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