http://www.teleread.com/ebooks/amazo...eaders-revolt/
One reader produced text copies of both the old and new versions (undoubtedly having to crack DRM illegally to do so) and ran them through the diff comparison tool to find out what had been changed, and it turned out that the changes were not major: a few missing words here and there had been corrected, the spelling of the cover artist’s name had been fixed—and in one case, a new typo was introduced!