Multimedia Cliffhangers — 3/9/2017 Professor Adam Alter discusses why cliffhangers are so effective in driving people to consume more content, from his new book, Irresistible. Related Videos "Social Feedback," — 3.9.17 "Uncertainty," — 3.9.17 "Simplicity, Complexity and Disfluency," — 9.9.15 "Consumer Behavior and Nines," — 7.30.15 "Media Consumption and the Economy," — 7.30.15