How do strawberries and iPhones explain globalization? Madsen reveals all in this week's video. Interestingly, he mentions obsidian being found hundreds of miles away from its source in prehistoric times, hinting at the fact that globalization is not a modern phenomenon, but an ongoing feature of our whole existence. Industrialization has just been the rocket fuel for globalization, improving poor people's lives in other parts of the world today just as it improved poor people's lives here back in the 19th Century.