P.S. The below was inspired partly by my own experiences and partly by Diamond Geezer's various posts on TfL and the Underground in general.
P.P.S. Please don't sue me for this article, TfL. I don't have much money, and can't claim expenses unlike most British MPs'. If you're really aggrieved, I'll buy you a pint or something.
P.P.P.S. The image below was spotted on a wall near the Barbican Centre. No artists name was provided next to the work.