1. A video camera comprising: a portable housing; one or more image sensors within the housing configured to acquire motion picture image data at a frame rate; a storage device configured to store acquired motion picture image data in a video data file; a button positioned so as to be accessible for interaction by a user of the video camera during acquisition of the motion picture image data to identify an occurrence of an event of interest; an electronic display; and one or more processors configured to execute machine readable instructions in order to: receive an indication of user interaction with the button during acquisition of the motion picture image data identifying a first event of interest as the motion picture image data is continuously acquired; in response to receipt of the indication of user interaction with the button, append to the video data file an indication of the first event of interest; process the image data file; and based at least on the processing of the image data file, generate, for display on the electronic display a user interface including at least: a timeline representing at least a portion of the video data file; and a marker identifying a portion of the timeline corresponding to image data that corresponds to the first event of interest.