" His next step was to detour ships on their way back from Vietnam, now empty of cargo, to Japan to pick up containers filled with inexpensive goods destined for U.S. customers. Manufacturers in the Asian “tigers”—South Korea, Taiwan, Hong Kong, and Singapore—followed suit. It was the spread of this innovation, and the networks and system that implemented it, that integrated East Asia into the world economy. "

― Daniel Yergin , The New Map: Energy, Climate, and the Clash of Nations