Dedicated page turning buttons on both sides (older kindle style). (goodereader.com)
Amazon brought back support for Audible audiobooks as well like on older Kindles, so they increased storage space to 8 GB with the option for 32 GB. (blog.the-ebook-reader.com)
Last year I traded in a couple of old Kindles for a pretty good stack of cash (well, Amazon store credit anyway). (blog.the-ebook-reader.com)