Read more: http://apps.npr.org/tshirt/#/boxesThe Planet Money T-shirts traveled around the world on their way to you. The women’s shirt was made in Colombia, from cotton grown in the U.S. The men’s shirt was made in Indonesia and Bangladesh.
All this travel was made affordable by one simple innovation: the shipping container.
Big metal boxes might not seem like an innovation. But without the humble container, the global economy wouldn’t be nearly as global as it is — and the Planet Money T-shirt wouldn’t have been made the way it was.