What they were struggling with was a cultural legacy, that Korean culture is hierarchical.

FORBES: The Dangers of ��Face��

Meanwhile, Korean culture is best known for kimchee (pickled cabbage) and its annoying northern neighbor.

FORBES: Why Korea Needs To Become A Brand

In north-east China lie the archaeological remains of the Koguryo kingdom of 37BC-668AD, the fount of Korean culture and myth.

ECONOMIST: Banyan

"If you believe in Korean culture, it is difficult to believe that a 29, 30-year-old would have complete control over bureaucracy, over military, over giving orders, thinking about what those orders mean, " said an aide to Mr. Kerry.

WSJ: Kerry Focuses on Iran, North Korea Leaders

This vast company creates more products in a year than any visionary could possibly conceive and it does so within a Korean company culture not historically inclined toward bottom-up idea generation.

FORBES: Built for Innovation

The division of Korea and the hope of reunification run through every aspect of North Korean history and culture.

BBC: On holiday in North Korea

His photos offer a fascinating peek at North Korean life and culture: Teens skating on a roller track, a woman braving a snowstorm, photos of his in-flight meal on Air Koryo, North Korea's airline.

CNN: Beyond the DMZ: Tweeting from North Korea

Harvard professor of Korean History Carter Eckert says the discussion is looking at PSY as a modern global digital culture phenomenon.

NPR: Korean Pop Sensation Cracks Jokes At Harvard