조선비즈
http://biz.chosun.com/site/data/html_dir/2013/04/11/2013041102294.html
서울경제
http://economy.hankooki.com/lpage/it/201304/e20130411151606117720.htm
한국경제
http://www.hankyung.com/news/app/newsview.php?aid=2013041184661
http://www.hankyung.com/news/app/newsview.php?aid=201304117787g
디지털타임스
http://www.dt.co.kr/contents.html?article_no=2013041202012169749002
연합뉴스
http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=102&oid=001&aid=0006198940
MBN
http://mbn.mk.co.kr/pages/news/newsView.php?news_seq_no=1329851