kowel is an expert in emotions.ees software called face reader, traditionally used by marketers to measure people's responses to products and he applies it to political candidates. the software creates super imposed mesh masks on their faces which kowel says measures the muscle moments. >> in this feature here, you can see his eyebrows are slightly up. and this would suggest an emotion of surprise. but at the same time, when you look at how his lips and nose are, that might represent something about a negative type of an emotion of disgust or something like that. >> reporter: the clenched lips combined with the surprised eyebr eyebrows, he says that he saw with romney. >> by communicating that type of anger or scorn, romney i building a bridge that connects to those voters. >> reporter: by contrast, president obama was expression neutral. >> in a sales deal, obama can't close a sale. we're seeing if we were to be more expressive and express the emotion that his voters are feeling, his voters would rate him as more c