http://plusd.itmedia.co.jp/pcuser/articles/1202/29/news043.html

https://twitter.com/#!/shh7/status/174161882255593472

https://twitter.com/#!/05ky/status/174089750976790529

http://sironekotoro.tumblr.com/post/18489180356/73-73-07-73-73-73

http://www.kotono8.com/2012/02/29accent.html

http://www.moe2p.com/archives/53703753.html

https://twitter.com/#!/shh7/status/174750761916440578

http://dannnao.tumblr.com/post/18488956226

http://www.slideshare.net/onoremiz/ui-11779313

http://www.nikkei.com/news/headline/article/g=96958A9C93819696E0EBE29F9C8DE0EBE2E0E0E2E3E08698E2E2E2E2

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http://news.nicovideo.jp/watch/nw204182

http://blog.esuteru.com/archives/5937010.html