This document summarizes Tony Hsieh's presentation at the American Marketing Association in Portland, Oregon on November 19, 2010. It discusses his background founding LinkExchange and Zappos, how Zappos prioritizes company culture over customer service or products, and how focusing on culture leads to employee and customer happiness as well as business success. The document also includes stories from two business owners, John Korioth and Dave Brautigan, about how implementing Zappos' culture principles transformed their companies for the better.