1. A device, comprising: a display for displaying paginated digital content including multiple regions of interest to a user; and a user interface including a zoom view mode, wherein in response to a zoom command, the zoom view mode is configured to zoom in on a region of interest on the current page of content, and wherein in response to a shift command, the zoom view mode is further configured to shift to another region of interest along a shift path of motion having a non-constant speed.