The document discusses how globalization has flattened the world over time. It outlines 10 events from 1989 onwards that allowed the world to become flat again by enabling greater individual collaboration and competition on a global scale. These "flatteners" include the fall of the Berlin Wall, the release of Windows 3.0 and the World Wide Web, the introduction of mainstream web browsers, the establishment of internet standards, the rise of user-generated content, and the creation of Google as a highly effective search engine.