1. A method comprising: extracting candidate phrases from a content stream; calculating an importance value of the extracted candidate phrases based on frequency of the extracted phrases in the content stream; thresholding the extracted candidate phases based on the calculated importance value; calculating an average sentiment value for the thresholded candidate phrases using term-association; assigning a visual cue to the thresholded candidate phrases; and graphically displaying the visual cue representative of the thresholded candidate phrases in statistical clusters.