Driving along, we want to hear a certain song, or make a phone call, or get some information, etc., so we initiate interaction with a digital gizmo.  That’s usually easy enough, but what follows frequently isn’t.  We have to continue to interact with the portable or in-car technology on its terms! We have to make decisions, give commands, touch screens, push buttons, or say things that the computer can understand, and we have to do it now. Well, we have to do it exactly when the computer is ready.  We have to wait for it to respond to our inputs.  Then we have to meet its needs, but only when it is ready

These electronic marvels are designed to be interactive.  To work, they require complete commitment from us for as long as they think necessary.  That’s the problem.  The total attention required is not compatible with driving.

Many years ago, I read something about the natural blinking of our eyes as we drive.  I think it said that because of blinking, on a 500 mile trip, we will drive 40 miles with our eyes closed, and that it is best if those 40 miles are in a straight line.