Business Day (The New York Times) cites professor who uses print-on-demand technology to offer affordable textbooks to students:
"In true economist fashion, he has allowed two companies, Lulu and Flat World Knowledge, to sell print versions of his textbook, with Lulu charging $11 .... As he said on his Web site, he is keeping the multiple options to “further constrain their ability to engage in monopoly pricing."
Don't Buy That Textbook, Download it for Free: http://www.nytimes.com/2008/09/15/technology/15link.html?em