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서울,롯데,롯데정보통신,경영,경제,인간관계,자기계발,SNS,독서,주식,트위터,페이스북,주식,가상화,컨버전스,통합,모바일,STORY,스마트,RealTime,선택과집중
SeJin Kim
Key Koowhan Lee
Jin Young Kim
Ha Sang-won
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