RubyConf 2018 - Opening Keynote by Yukihiro Matsumoto 'Matz'
RubyConf 2018 - Opening Keynote by Yukihiro Matsumoto 'Matz'.
RubyConf 2018 - Opening Keynote by Yukihiro Matsumoto 'Matz' #ruby #rubydeveloper #rubyonrails #rubyconf https://rubyonrails.ba/single/rubyconf-2018-opening-keynote-by-yukihiro-matsumoto-matz