Amazon's experiment of replacing textbooks with Kindle DXs in classrooms already took a pretty hefty blow from Princeton's feedback -- which described the jumbo e-reader as "a poor excuse" for an academic tool -- but here comes some more punishment courtesy of the trialists at Darden. The Business School describes the DX as clunky and too slow to keep up with the pace of teaching, with up to 80 percent of users saying they wouldn't recommend it for academic use.
