8. The method of claim 1 , further comprising displaying the clusters to a user on a computer display.
8. The method of claim 1 , further comprising displaying the clusters to a user on a computer display. 21. The method of claim 8 , wherein information displayed for each cluster includes one or more of: text representative of similar text found in the reviews in the cluster, the total number of reviews in the cluster, the time period over which the reviews in the cluster were posted, and the average rating of the reviews in the cluster.