Originally Posted by Leisesturm

I can easily envision a scenario where you are rattled enough after going down hard enough to trigger the sensor but not hard enough to be incapacitated, I can easily see someone forgetting to transmit the 'all clear'. It would be ironic I think to be killed instead by an irate spouse initially overjoyed to learn of your demise who then finds out it was a false alarm. I had no idea devices like this existed, and I feel sorry for anyone who gets suckered into enriching the inventors. Let me guess, the software communicates with the SMS service via a server for which the consumer pays an ongoing subscription? Me, I only have 10 or 15 years of good cycling left. Someone much younger ...could add up ... I don't know ... seems like not crashing in the first place? Works for me.