"...There are, however, some designers and even clients who insist that the public deserve and will respond to much higher standards in graphics. They are convinced, as Charlie Chaplin was convinced, that the best way to entertain the public is to first entertain oneself."
This really drew my eye last night as I was checking out in Gatwick, London: serifed wayfinding.
How about that, these chaps don’t give a damn about legibility theories and it’s such a good thing they don’t, every sign looks so beautiful, friendly and comfortable to follow. Only ermergency signs are written in sans, mostly on green colour (did see one on yellow, but I think it was just a mistake), well differentiated from the others. Take a look: