This document discusses the importance of customer obsession for product managers. It argues that customers want solutions to their problems and will pay more for better solutions that provide value. To maximize profits, companies must maximize customer happiness. The document outlines three key aspects of customer obsession: solving customer problems, helping customers when things go wrong, and delivering "wow" experiences. It advises product managers to build empathy for customers, talk to customers to understand needs, and continuously test solutions with customers.