MIT Media Lab Professor Cynthia Breazeal with Nexi, a 4-foot-tall robot that uses facial expressions to convey emotions and learns from its interactions with people. #Cynthia_Breazel #Nex #MIT_Media_Lab: Cynthia Breazel Nex, Technology, Expedition Explorers, Nex Mit Media Lab, 4 Foot Tall Robot, Bizolly Explorers, Mit Media Lab Bizolly