Deleting annotations of paginated digital content

A mobile computing device, comprising:

• a processor;
• a touch screen display for displaying paginated digital content to a user and allowing user input;
• and
• a user interface executable by the processor and including an annotation mode, the annotation mode configured to
• add a sticky note to a first location within the paginated digital content without selecting a portion of the paginated digital content at that location in response to a tap gesture at the first location, wherein the sticky note is represented by a movable graphic at the first location, and selection of the graphic in response to a tap gesture performed on the movable graphic causes contents of the sticky note to be presented in an edit box,
• move the sticky note from the first location in the paginated digital content to a second location in the paginated digital content, in response to a press-and-hold input on the sticky note to grab the sticky note followed by dragging the grabbed sticky note to the second location and dropping the grabbed sticky note at the second location,
• move the sticky note to maintain the sticky note in the first location within the paginated digital content, in response to a change in viewing preference of the paginated digital content, and
• delete the sticky note from the paginated digital content;
• and
• wherein the sticky note can be deleted in response to a press-and-hold input on the sticky note to grab the sticky note, followed by a flick input provided on the sticky note before the press-and-hold input is released, and
• wherein the sticky note can also be deleted in response to a deletion input on a deletion graphic displayed with the edit box.