8. A non-transitory computer-readable storage medium storing one or more instructions which, when executed by one or more processors, cause the one or more processors to perform steps comprising: receiving a plurality of comments respectively associated with a plurality of video clips from a plurality of videos stored in a video database, receiving comment metadata regarding each comment of the plurality of comments, including a category of a plurality of categories and one or more time values related to a video clip of the plurality of video clips, one or more computers receiving one or more criteria to apply to the comment metadata, wherein the one or more criteria specify at least a particular category of the plurality of categories; the one or more computers selecting two or more video clips by applying the one or more criteria to the comment metadata to identify video clips with comments that are associated with the particular category, the selecting two or more video clips further comprising: identifying two or more comments on different videos of the plurality of comments where the comment metadata specifies the two or more comments as meeting the one or more criteria; and determining, for each comment of the two or more comments, the video clip associated with the comment based on the one or more time values in the comment metadata corresponding to the comment, wherein, for each comment of the two or more comments, a duration of the video clip associated with the comment is determined based on a user-specified duration of time, a default duration of time, or a duration of time stored in the comment metadata; the one or more computers displaying the two or more video clips by merging the two or more video clips into a compilation video.
8. A non-transitory computer-readable storage medium storing one or more instructions which, when executed by one or more processors, cause the one or more processors to perform steps comprising: receiving a plurality of comments respectively associated with a plurality of video clips from a plurality of videos stored in a video database, receiving comment metadata regarding each comment of the plurality of comments, including a category of a plurality of categories and one or more time values related to a video clip of the plurality of video clips, one or more computers receiving one or more criteria to apply to the comment metadata, wherein the one or more criteria specify at least a particular category of the plurality of categories; the one or more computers selecting two or more video clips by applying the one or more criteria to the comment metadata to identify video clips with comments that are associated with the particular category, the selecting two or more video clips further comprising: identifying two or more comments on different videos of the plurality of comments where the comment metadata specifies the two or more comments as meeting the one or more criteria; and determining, for each comment of the two or more comments, the video clip associated with the comment based on the one or more time values in the comment metadata corresponding to the comment, wherein, for each comment of the two or more comments, a duration of the video clip associated with the comment is determined based on a user-specified duration of time, a default duration of time, or a duration of time stored in the comment metadata; the one or more computers displaying the two or more video clips by merging the two or more video clips into a compilation video. 10. The non-transitory computer-readable storage medium of claim 8 , wherein the steps further comprise adjusting a duration of at least one video clip of the two or more video clips.