1. A method for managing annotations associated with a video, the method comprising: receiving from viewers of a video, a plurality of annotations for each of a plurality of intervals of the video, each interval having a start time and an end time, a content of each annotation of a plurality of the annotations including a plurality of words; forming a plurality of annotation groups by clustering the annotations based on the start times and the end times of the intervals; determining a first annotation group of the plurality of annotations groups having related annotations based at least in part on a comparison of the content of each annotation to determine that the related annotations have at least one identical or similar word; forming a first annotated clip of the video based upon the intervals in the first annotation group; and forming a synoptic annotation for the first annotated clip of the video based on the related annotations in the first annotation group, the synoptic annotation comprising one or more words selected from the related annotations in the first annotation group, the one or more words summarizing the content of the related annotations in the first annotation group.