Nir Eyal spent years learning, applying, and rejecting the strategies detailed in Hooked to motivate and influence people in the video gaming and advertising industries. He has taught applied consumer psychology classes at Stanford Graduate School of Management and Hasso Plattner Institute of Design, and he is a frequent speaker at industry conferences and Fortune 500 corporations. His articles on technology, psychology, and business have appeared in Harvard Business Review, The Atlantic, TechCrunch, and Psychology Today, among other publications.