A digital picture frame has a frame bounding a touch screen that presents a user interface having first and second arcs of selector elements. The first are of selector elements is manipulable to establish an input genre root, and the second arc is manipulable to select an input branching from a genre...http://www.google.com/patents/US20100251181?utm_source=gb-gplus-sharePatent US20100251181 - USER INTERFACE FOR DIGITAL PHOTO FRAME