I found this very interesting. Ford has filed a patent on a new system that uses a vehicles’ exterior cameras to detect and scan passing billboards, and routes the data the display screen to create in-car versions of the advertisements for a driver’s or passenger’s viewing pleasure (or displeasure). Supposedly it is not to be used to display ads but to assist if you missed some of the information, like a phone number, on the sign.
https://www.motortrend.com/news/ford-billboard-ad-patent-system/
https://www.motortrend.com/news/ford-billboard-ad-patent-system/