1. A system for capturing video data defining a moving picture, comprising: means for receiving the video data from a source; means for storing, in real time as the video data is received, the video data as a clip in a computer data file on a non-volatile random-access computer-readable and rewritable medium according to a trigger signal associated with the source; means for providing for storage of an attribute associated with the clip; and a user interface for allowing user input of an attribute for storage with the clip, wherein the attribute is value selected by the user from a set of three or more ordered values indicative of an assessment by the user of merit of the clip.