Multimedia Social Feedback — 3/9/2017 Professor Adam Alter discusses why people crave social feedback and interaction, from his new book, Irresistible. Related Videos "Uncertainty," — 3.9.17 "Cliffhangers," — 3.9.17 "Simplicity, Complexity and Disfluency," — 9.9.15 "The Importance of Names," — 7.30.15 "Consumer Behavior and Nines," — 7.30.15