http://www.appleinsider.com/articles/08/09/27/apple_makes_itunes_8_itunes_u_content_accessible_to_the_blind.html
Apple has volunteered to work with the state of Massachusetts to make iTunes 8 and the new iPod nano fully accessible, unlocking music, movies, and the free lectures and other educational material in iTunes U to blind users.
According to a report by the Associated Press, John Olivera of the Massachusetts Commission for the Blind said the state approached Apple for help in making the wealth of educational material in iTunes U available to blind students.