The previous page is sending you to http://popcorp.org/?q=%EB%A7%88%EC%BC%80%ED%8C%85%20%EC%A0%84%EB%9E%B5%20ppt%20%ED%85%9C%ED%94%8C%EB%A6%BF%20%EB%AC%B4%EB%A3%8C.

 If you do not want to visit that page, you can return to the previous page.