1. A device, comprising: a touch screen display for displaying paginated digital content to a user and allowing user input; and a user interface including a fixed format viewing mode, wherein a given page of the paginated digital content is displayed in a first format and in response to an annotation provided on the given page of the paginated digital content, content of the given page becomes fixed in the first format, such that if the paginated digital content is reflowed to a second format, the content of the given page stays fixed in the first format and does not reflow to the second format, and content of at least one other page of the paginated digital content having no annotation is reflowed to the second format; wherein in response to a hide annotations action, the annotation is hidden and the fixed format viewing mode is configured to display the content of the given page in the second format; and wherein the mode is further configured to display the content of the given page in the first format and with the annotation in response to one of an additional annotation provided on the paginated digital content and a show annotations action.
9. The device of claim 1 wherein an icon is displayed on a page containing a hidden annotation, and wherein the show annotations action includes selecting the icon to present an options menu including an option allowing the user to view such a page with the annotation visible.