Embodiments related to the manipulation of content items on a touch sensitive display are disclosed. One disclosed embodiment comprises a method for operating a graphical user interface on a computing device comprising a touch-sensitive display. The method comprises displaying a content container on the touch-sensitive display, the content container being configured to arrange one or more content items in the content container as a grouped set of content items and to allow a user to selectively move content items into and out of the content container. The method further comprises displaying an ungrouped set of content items on the touch-sensitive display outside of the content container, receiving a user input via a user interface associated with the content container, and in response to the user input, highlighting a content item in the ungrouped set of content items to form a highlighted ungrouped content item.