http://www.itmedia.co.jp/news/articles/0908/18/news077.html

http://ascii.jp/elem/000/000/450/450450/?mail

http://dc.watch.impress.co.jp/docs/review/newproduct/20090818_309179.html

http://www.lifehacker.jp/2009/08/0908145shops.html

http://kuenishi.tumblr.com/post/165756133/1-jwxieiqu-a-2008-12-03-23-27-35