http://www.free-car.com/ is already down that road; I imagine that the car is free, but the radio is always on and the sattelite GPS rig determines that you're headed to the Safeway for beer (again!) and nudges you in the direction of the Bud aisle ...
http://www.free-home.com/ I think is still available for this marvelous business plan: you get the house free, but there are big TV screens in each room that tell you what to buy and where it goes best with the rest of the smart-house decor.
The new danger of of the Telescreen is not that they might be watching, but that they are selling.
/jordan