It’s almost hard to remember, but when it came out, iBooks could read only EPUB files, not PDFs, and the only way to load them was by syncing with iTunes. Over a number of releases of both iBooks and ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Kindles used to only ...

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.