When Algorithms Grow Accustomed to Your Face - NYTimes.com
▻http://www.nytimes.com/2013/12/01/technology/when-algorithms-grow-accustomed-to-your-face.html?hpw
People often reveal their private emotions in tiny, fleeting facial expressions, visible only to a best friend — or to a skilled poker player. Now, computer software is using frame-by-frame video analysis to read subtle muscular changes that flash across our faces in milliseconds, signaling emotions like happiness, sadness and disgust.