The Social Life of Paper (2002)
http://www.newyorker.com/archive/2002/03/25/020325crbo_books?currentPage=allReports on the continued use of paper records not just as a better visual interface but also as an enabler of different ways of working including utilizing spacial orientation.
This thread
http://news.ycombinator.com/item?id=434023
made me dig this article up. I believe it's interesting enough that I'm posting it separately, rather than just as a comment.