"South Korean singer Psy (front R) arrives from the U.S., at the Incheon International Airport in Incheon, west of Seoul. The pop star whose song ""Gangnam Style"" became the first Korean hit to top Apple's music download charts has also worked his magic on his father's software firm, helping it double in value since singer and dancer Psy burst onto the global scene in July. (Kim Young-Wook/Newsis/Reuters)"
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