I've had a few friends volunteer for this already; in my limited experience they are typically used only for a period of time (weeks not years) and are typicall

I've had a few friends volunteer for this already; in my limited experience they are typically used only for a period of time (weeks not years) and are typically marketed as "use our tracking device and get a safety discount." It strikes me as creepy, but I might think differently about them if I needed a discount.