http://raani.org/faq/nan.htm

http://www.asahi.com/national/update/0618/OSK200906180069.html

http://www.lovepiececlub.com/kitahara/2009/06/post-173.html

http://dannnao.tumblr.com/post/126003740

http://kirik.tea-nifty.com/diary/2009/06/post-74a4.html

http://twitter.com/tsuda/status/2218768826

http://kotoripiyopiyo.tumblr.com/post/126166723/40

http://iphone-lab.net/2009/06/19/%e6%81%af%e3%82%92%e5%90%b9%e3%81%8d%e3%81%8b%e3%81%91%e3%81%a6%e8%89%b2%e3%82%93%e3%81%aa%e7%89%a9%e3%82%92%e9%a3%9b%e3%81%b0%e3%81%9d%e3%81%86%ef%bc%81%e3%80%90iphone-appbreath-charenge%e3%80%91.html

http://www.itmedia.co.jp/promobile/articles/0906/19/news101.html

http://bizmakoto.jp/bizid/articles/0906/19/news089.html

http://wiredvision.jp/news/200906/2009061921.html

http://hatimaki.blog110.fc2.com/blog-entry-1122.html