Print on demand book machines...

This article about the new print on demand books is fascinating. These book printing/binding machines can sit in any bookstore and print any one of hundreds of thousands of different books on demand. The bookstore of the future will essentially be a print shop.

http://www.guardian.co.uk/books/2009/apr/24/espresso-book-machine-launches

This is exactly what is needed for bookstores to compete wth Amazon.