What do you mean? As in local businesses will 'sponsor' messengers. I really know nothing about the scene today. I had a roommate in the 80's from Brooklyn who was a messenger but it seemed like a regular old job to him. My point is this; is it faux paux for messengers to ride around with adverts on them? The road racing team I race for is basically required to ride around advertising for our sponsors and we are greatfull to do it since we get stuff in return.