This document summarizes key points from Thomas Friedman's book "The World is Flat" which discusses the impact of globalization in the 21st century. The book analyzes 10 factors, referred to as "flatteners", that have allowed the world to become more interconnected. These include the fall of the Berlin Wall, the rise of workflow software and the internet, outsourcing and offshoring, and new technologies like smartphones that have accelerated global collaboration and access to information.