http://blog.naver.com/purplefrs/150035533564
http://cafe.naver.com/misinmalta.cafe?iframe_url=/ArticleRead.nhn%3Farticleid=855
http://itnews.inews24.com/php/news_view.php?g_serial=344529&g_menu=020600
http://news.bbc.co.uk/2/hi/technology/7619297.stm