A system for observing and analyzing customer opinions is disclosed. The system includes one or more cameras, a focus tracking module, an observation module, an interpretation module, and a rating module. The focus tracking module uses the one or more cameras to determine a product having a focus of a person, the product having a plurality of characteristics. The observation module uses the one or more cameras to monitor one or more physical, physiological, or behavioral characteristics of the person with respect to the product. The interpretation module determines an opinion of the person regarding the product. The rating module adjusts one or more ratings of the product in response to the interpretation module determining the opinion of the person regarding the product.