1. A method of operating a graphical user interface of a computing device, comprising: presenting a group of objects on the graphical user interface in a group representation, the group of objects including two or more objects; receiving a multi-touch gesture at the graphical user interface in which two or more temporally overlapping touches are moved apart on the graphical user interface; and changing an organization of the group of objects presented on the graphical user interface to a slide-show representation; receiving a multi-touch gesture at the graphical user interface in which two or more temporally overlapping touches are moved closer together on the graphical user interface; and changing the organization of the group of objects presented on the graphical user interface from the slide-show representation.