The Kindle DX, Amazon’s 10-inch offering to the academic set, has been discontinued on the site and is only available from used dealers. Although there has been no official word concerning the DX, the product was reduced from $379 to $299 and the DX is currently out of stock on Amazon. Amazon designed the 9.7-inch reader as a way to display full pages of content at once and allow readers to see images and text a bit more easily. Launched in 2009, the DX appeared just as readers were thinking about the differences between tablets and e-readers. Read the full story at TechCrunch.