How can that fragrance counter sales rep tell if a would-be customer thinks that new EDT really belongs in the toilet? With facial recognition software! At this week's National Retail Federation conference, Emotient showcased its new software that is able to identify a range of human emotions such as contempt, anger, fear and disgust as well as joy and surprise. The software can also be used in focus groups, where subjects may say one thing, but mean something else entirely. No wonder why...