[JA][Keynote]Matz Keynote / Yukihiro "Matz" Matsumoto @yukihiro_matz - YouTube
[JA][Keynote]Matz Keynote / Yukihiro "Matz" Matsumoto @yukihiro_matz.
[JA][Keynote]Matz Keynote / Yukihiro "Matz" Matsumoto @yukihiro_matz - YouTube #ruby #rubydeveloper #rubyonrails #youtube https://www.rubyonrails.ba/single/ja-keynote-matz-keynote-yukihiro-matz-matsumoto-yukihiro_matz-youtube