1. A computer-implemented method comprising: obtaining a portion of a movie; automatically identifying an entity within the portion of the movie using a technique selected from the group consisting of: face recognition, voice recognition, object recognition, individual characteristic recognition, scene break recognition, object tracking, speech recognition, and audio recognition; receiving supplemental content from a first user about the identified entity within the first movie; subsequent to receipt of the supplemental content, receiving an update to the supplemental content about the identified entity within the movie, wherein the update to the supplemental content modifies or replaces the supplemental content; receiving a request from a second user for information related to a location of the second user; and responsive to the request, providing, to the second user, the information related to the location and at least one item of the supplemental content, from the update to the supplemental content, related to the location.
1. A computer-implemented method comprising: obtaining a portion of a movie; automatically identifying an entity within the portion of the movie using a technique selected from the group consisting of: face recognition, voice recognition, object recognition, individual characteristic recognition, scene break recognition, object tracking, speech recognition, and audio recognition; receiving supplemental content from a first user about the identified entity within the first movie; subsequent to receipt of the supplemental content, receiving an update to the supplemental content about the identified entity within the movie, wherein the update to the supplemental content modifies or replaces the supplemental content; receiving a request from a second user for information related to a location of the second user; and responsive to the request, providing, to the second user, the information related to the location and at least one item of the supplemental content, from the update to the supplemental content, related to the location. 3. The method of claim 1 , further comprising tracking the entity in the movie throughout a duration that the entity exists within the portion of the movie.