Masayoshi Takahashi (Tatsu-zine publishing, Nihon Ruby-no-Kai)
http://www.nicovideo.jp/watch/sm11918844
![[rk10][28M07-10] 時を超えた電子出版の道の中をRubyと歩いていく](https://nicovideo.cdn.nimg.jp/thumbnails/11918844/11918844)