>... I feel we are sliding into the same future TVs have arrived at...
I imagined, that a 'smart' car would briefly show you ads on the windshield before agreeing to follow the course, and while on the go, would then time-to-time briefly shade the windows (or whatever is the primary outlet of attention) just to show you another personalized ad. Time to step out? Wait a sec, another ad, just to unlock the door... Captive is the word.