Ah, well, at least some amenities exist that will facilitate multitasking. And let's not forget the original power accessory, the radar detector. But if the only cargo in a car is yourself and a briefcase, you probably don't need a BIG-ARSE truck, just because everyone else is driving one. A car with a tidy exterior size is easier to maneuver, park, and slip in and out of holes in traffic. And, of course, we can't forget the little doodads that keep you amused while idling.
Fuzzy dice is a popular one.
We're also still waiting for the day that we can have TBS piped into the on-board entertainment system.