Vertical tail-lights on a sporty car look horrid - makes the rear look too boxy. Tail-lights need to look horizontal on a sporty car to give the impression of sleekness. Audi and Lambo do this well.
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If someone from the 1950s magically appeared, what would be the most difficult thing to explain?
"I have a device in my pocket that can access the entirety of knowledge known to man.
I use it to look at pictures of cars and have arguments with strangers."