" I talked a little about sentiment analysis earlier. Sentiment analysis mainly tracks the prevailing opinion of your brand and it’s most effective for larger brands, especially consumer brands. For smaller brands, there just aren’t enough mentions of your brand to make sentiment analysis very insightful. For small brands, scouring specific websites, such as Yelp, EOpinions, and other places likely provides more insights regarding prevailing opinions about your brand".
Via Antonino Militello