3. The method of claim 1 wherein an information associated with the annotation includes an identification of a user adding the annotation.
1. A method, performed by a first application executing at a computer system having a digital data storage device, for annotating a multimedia file, comprising: displaying a timeline, the timeline indicative of a duration of the multimedia file; receiving an indication to add an annotation at an annotation time relative to the duration indicated by the timeline, the indication automatically made by the first application while observing a user action in respect to use by a user of a second application that is different from the first application and executing at the same computer system as the first application, wherein the annotation includes information relating to a change the user made to a document opened by the second application; identifying the annotation based on the user action; storing in the digital data storage device the received annotation; associating the stored annotation with the annotation time; and displaying at an area near the timeline an indication of the stored annotation, the area corresponding to the annotation time.