Sounds like there are regular drivers out there that will pay for it, I guess, and that's good. I'd much prefer that information get spread in myriad ways. But I do think the masses will probably not buy in until it's cheaper. I had the same suspicions about Iridium, and while that was useful for plenty of folks, it went bust.
This probably has a wider market based on the response, however.
your right..it's really popular with truckers right now, they can drive across the country and tune into the same station the whole time now