Arizona State University's Flexible Display Center has developed a bendy display that is touch-sensitive (stylus or finger).
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Videophone with eyetracking feels 3D
The Swedish design team TAT (The Astonishing Tribe), has demonstrated a 3D-eyetracking UI that tracks the position of our eyes and changes the display accordingly. This really gives a feeling that objects are behind one another. Earlier the team developed the look and feel of the T-Mobile G1's user interface which included such innovations as the window shade menu and 9-point visual key-lock.