[data] 전략 서비스산업의 경쟁력 강화방안. 고정민 외_text 22p

South Korean rapper Psy, center, teaches hosts, from left, Al Roker, Natalie Morales, Savannah Guthrie and David Gregory some of his signature dance moves before performing his massive K-pop hit "Gangnam Style" live on NBC's "Today" show, Friday, Sept. 14, 2012, in New York. (Photo by Jason DeCrow/Invision/AP Images)