If all cars were made of spongy, "nerf-like" material, and perhaps had roller-ball wheels, and definitely made to run a bit slower on freeways - we could save thousands of lives each year - and have great fun at the same time. Imagine how many bazillions could be saved thru reduced (or eliminated!) insurance needs, and cheaper fuel costs... and repairs would be rare and cheap, too. We don't really need to race to work at 80 or even 55 mph. Imagine how much more fun it would be to...