http://en.wikipedia.org/wiki/Taxicabs_of_the_United_Kingdom#...
https://www.youtube.com/watch?v=NYZcG2mY9Fs
(for those not familiar with cerebral anatomy, the hippocampus is the part of the brain responsible for racism, swearing at cyclists, and tax evasion)
https://www.youtube.com/watch?v=NYZcG2mY9Fs