Yes, I agree with trucknisse. That would be super awesome!
I realy hope they at least consider this idea.
Another thing that popped into my head long ago, was rentable billboard advert space ingame, that would be automatically updated every time you launch the game. Developers could rent billboards to real companies, maybe even for a very small fee. And they could/should create fictional adverts database, that could be used to fill in the gaps, if some space was left unrented. I would love to see those billboards constantly changing from time to time, just like in the real world. Also real ads in ad space does little harm ;].