Affectiva, a start-up that aims to quantifiably analyze emotions to improve consumer experiences, announced this week that it has received a $5.7 million second round of financing. The funding was led by WPP's insight group Kantar and Myrian Capital, who will now have seats on Affectiva’s board of directors. Affectiva was founded in 2009 by two MIT scientists and started as a research project on...