いつか読もうメモ
http://dain.cocolog-nifty.com/myblog/2006/03/post_3870.html
http://goodsite.cocolog-nifty.com/uessay/2006/12/100tips_dda4.html
http://goodsite.cocolog-nifty.com/uessay/2007/12/2008100tips_528b.html
http://itpro.nikkeibp.co.jp/article/COLUMN/20060403/234374/
http://news.livedoor.com/article/detail/3449564/