Kindle devices appeal to many people. When everything works, they're great. But Amazon is becoming more and more finicky, both in terms of supported formats and the freedom to manage your own books.

The Kindle Scribe is a new hybrid e-reader and e-note. You can view and edit PDF files, freehand draw and also conduct handwriting notes in Kindle books. PDF files are a different beast on the Scribe.

Amazon started offering support for DRM-free EPUB files that are e-mailed to Kindle e-readers since April last year. That was a surprise move that perhaps none had expected coming from Amazon given ...