Luckily for us, 37signals
still has time on their hands to crank out visionary web site prototypes. 37bettermotors
is their vision of how automotive web sites of the future might function. Quite a bit of research went into the piece, and a number of salient thoughts were presented on the topic of telematics. Well worth the 10 minute read.
One bullet I would have added to the "Why hasn't the telematics industry taken off?" list would have been the usability of the current systems - both telematics and mobile phones. Given that your average user has a hard enough time programming their address book into their phone and the time into their VCR, an easy to use system is of utmost importance. Especially if the goal is mass adoption.