The it meaning work. My humble host nation topped the list of the hardest working countries. The average South Korean works six and a half hours a day EVERY DAY OF THEIR LIVES.
Thankfully, this workaholism does not transfer to the large English-teaching population. Although if you counted my literary pursuits as 'work' I am probably pretty high up there, as far as total hours spent in work each day.
Just to emphasize something that they mentioned in the article, here you are often given a title depending on your job. Instead of Mr. Mackie I am Mackie-Teacher, or, in proper South Korean, Mackie San Sang Nim.