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http://www.kbench.com/digital/?no=128580&sc=1

http://www.etnews.com/news/international/2898111_1496.html

http://www.etnews.com/news/computing/solution/2898248_1476.html

http://biz.chosun.com/site/data/html_dir/2014/01/08/2014010801262.html

http://news1.kr/articles/1486921

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