1. What Thomas Friedman means when he says "The World is Flat"
https://www.youtube.com/watch?v=oM2BguxRSyY
2. Thomas Friedman's Three Eras of Globalization
https://www.youtube.com/watch?v=lp4znWHvsjU
3. World 3.0: Why it's not as flat as you might think
https://www.youtube.com/watch?v=m1mlFsk836Y