There's a pretty good explanation of it I saw posted on Facebook here: http://www.kpop24.com/Article/ViewArticle.aspx?p=2&aid=135 http://www.kpop24.com/Article/

There's a pretty good explanation of it I saw posted on Facebook here: http://www.kpop24.com/Article/ViewArticle.aspx?p=2&aid=135 http://www.kpop24.com/Article/ViewArticle.aspx?p=2&aid=1...