There's a new margin icon (seen here in the upper left) that you can tap to summon or hide the expandable margins. | Credit: Future It's a big upgrade for note-takers that own a Kindle Scribe ...

If you are one of them, you can click & hold the right/left margin icon and drag it towards the outside of your page. It will display the change as you drag the bar. Page setup is a simple set of ...