The World Is Flat: A Brief History of the Twenty-first Century is an international best-selling book by Thomas L. Friedman that analyzes globalization, primarily in the early 21st century. The title is a metaphor for viewing the world as a level playing field in terms of commerce, wherein all competitors have an equal opportunity. As the first edition cover illustration indicates, the title also alludes to the perceptual shift required for countries, companies, and individuals to remain competitive in a global market in which historical and geographic divisions are becoming increasingly irrelevant.      ABOUT THE AUTHOR:      Friedman himself is a strong advocate of those changes, calling himself a "free-trader" and a "compassionate flatist", and he criticizes societies that resist the changes. He emphasizes the inevitability of a rapid pace of change and the extent to which the emerging abilities of individuals and developing countries are creating many pressures on businesses and…