Agreed on both points. However... while I don't want to ride in a car full of sensors, I think the popularity of CCTV and Facebook demonstrates that a lot of ot

Agreed on both points. However... while I don't want to ride in a car full of sensors, I think the popularity of CCTV and Facebook demonstrates that a lot of other people are much more OK with that. Just look at busses, trains, and even gas stations -- I'd never want to have ads thrown in my face the way all of those systems push them on you, but a lot of people just seem to be... OK with it.