> This is just phrenology ... It's probably worse. I'd bet that in addition to humans with non-'normal' heads, it would also flag the blind, deaf, sufferers of

> This is just phrenology ... It's probably worse. I'd bet that in addition to humans with non-'normal' heads, it would also flag the blind, deaf, sufferers of Tourette syndrome, certain muslim women, bearded men, humans of african descent, humans of asian descent, etc. > even if the calipers[1] are replaced with a bunch of linear algebra. I love this line. If your head does not fit the space of eigen-heads, throw an error.