Tony Hsieh and Jenn Lim wrote a book called "Delivering Happiness" about using a positive workplace culture to drive business success. They went on a bus tour to promote the book. John Korioth, owner of a bar in Austin, discovered Zappos and its culture after struggling to improve his own business. He implemented cultural changes like valuing employee feedback and making meetings more fun. As a result, employee retention increased and the bar has matched sales each year despite the economy. Korioth credits implementing a culture like Zappos' for his success.