The article is avaiable at PCWorld Vietnam's website [1] since May 2010 and has been voted as almost 10/10. Thank you all readers.
[1] http://www.pcworld.com.vn/articles/cong-nghe/ung-dung/2010/05/1219106/tu-tao-nas-tu-may-tinh-cu/
[1] http://www.pcworld.com.vn/articles/cong-nghe/ung-dung/2010/05/1219106/tu-tao-nas-tu-may-tinh-cu/
