I found them to be quite useful but now they seem kind of quaint. It would show gas stations and motels at the exits. Every year they'd publish a new one, wish I'd saved one now but they were really meant to be disposable.
We aren't very far from the days that Google/Alexa will ask as you start the engine where do you want to go today and just take you there with little effort on your part. In a way its like we're all going to have robot chauffeurs.