https://twitter.com/Deprogrammer9/status/512781355491414016/photo/1
C'est un concept, heureusement: "People don't seem to mind paying a few bucks to use a public toilet, so designer Fabian Brunsing figured the same idea would fly when applied to a park bench."
( http://www.ohgizmo.com/2010/07/15/pay-sit-private-park-bench/ )