1. A content management system having a computer-readable memory storing executable instructions therein to provide an indication of similar content, the computer-readable memory comprising: instructions to examine a content file; instructions to identify a first portion of the examined content file that is similar to a portion of a first comparison content file, and to identify a second portion of the examined content file that is similar to a portion of a second comparison content file; instructions to determine whether one of the first portion and the second portion of the examined content file is a superset of the other, and if so, instructions to determine that the portion of the comparison file that matches the superset is a best match with the examined content file; and instructions to provide an indication that the examined content file is similar to the comparison file that is the best match with the examined content file.