There's a great illustration by Karl Jilg that has stuck with me along the same lines... calling them buffers is very generous! https://www.businessinsider.com

There's a great illustration by Karl Jilg that has stuck with me along the same lines... calling them buffers is very generous! https://www.businessinsider.com/car-illustration-karl-jilg-2017-4 https://www.businessinsider.com/car-illustration-karl-jilg-2...