Tonight, I went to this exhibit at the local art gallery and one of the pieces of the exhibit was this performance art piece called, The Bureau of Workplace Interruptions. The piece is set up like an office and the "performers" take info from people and they send out e-mail, snail mail gifts and other things to make the workplace less boring and to interrupt the person's day.
They have a website that will tell you more about it. The site is Interruptions. I think it's pretty neat.