http://danblog.cocolog-nifty.com/index/2008/06/post_90ba.html

http://booklog.kinokuniya.co.jp/kodai/archives/2008/08/post_26.html

http://headlines.yahoo.co.jp/hl?a=20080822-00000149-jij-soci

http://slashdot.jp/science/08/08/21/0417256.shtml

http://gigazine.net/index.php?/news/comments/20080822_mit_rail_hacking/

http://www.ringolab.com/note/daiya/2008/08/ecover2fomasoftbank3g.html

http://headlines.yahoo.co.jp/hl?a=20080822-00000139-mailo-l07

http://headlines.yahoo.co.jp/hl?a=20080822-00000061-jij-soci

http://www.kyoto-np.co.jp/article.php?mid=P2008082200133&genre=C4&area=Z10

http://headlines.yahoo.co.jp/hl?a=20080822-00000049-mai-soci