I hope you enjoyed my first article in the series Exploring Tokyo City. Now let me tell my impressions of the RubyKaigi Conference itself. What many may not know is that RubyKaigi is in its 6th iteration and it has always been organized by volunteers effort. Their leader is Masayoshi Takahashi-san. He is also the founder of Nihon Ruby-no-kai (Japan Ruby Group) which also helds the e-zine Rubyist M