South Korea isn’t a great destination for English teachers. There’s a shortage of English teachers in South Korea because the Koreans apparently work them like dogs (extremely long hours, from early in the morning to late at night including Saturdays on a fixed salary). The ones who stay want to be paid more than what a lot of schools can offer. That’s why they’ve decided to come up with a novel approach to solve the shortage of ESL teachers. Remember, robots don’t mind long hours (at least not until the robot uprising of 2015.)
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