Ryanair
you travel to europe, France especially, and the thought will cross your mind, "wait, i have to pay to use the bathroom" it's an odd sensation. well recently Ryanair, the cheapest airline around ( i once flew from london to spain for a Single pound(plus taxes). well they thought they would start charging for the bathroom.
http://www.usatoday.com/travel/flights/item.aspx?type=blog&ak=63417699.blog