Technologies are generally described for systems and methods effective to display a first output and simultaneously display a second output corresponding to user input superimposed on the first output. In some examples, a second output is displayed on a display simultaneously with and superimposed on a first output. The second output corresponds to user input. In an area of the display that the first output and the second output overlap, the second output is opaque and the first output is visible through the opaque second output. In an area of the display that the first output and the second output do not overlap, the first output is visible. The first output may be a video portion of a video telephone conference, and the second output may correspond to annotations or notes that are received from a user during the telephone conference.