* Events
  * We attended Open Source Conference 2013 Tokyo/Spring as exhibitor and speaker.
   * https://wiki.ubuntulinux.jp/Events/OSC2013TokyoSpring
   * Movie of seminar by chonan: http://youtu.be/nPgD0lAvvX0

 * Writings
  * Software Design (published on 18th Feb)
   * http://gihyo.jp/magazine/SD/archive/2013/201301
   * Ubuntu Monthly Report: New features of Libre''''''Office 4.0
  * Ubuntu Weekly Topcis
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201302/01
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201302/08
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201302/15
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201302/22
  * Ubuntu Weekly Recipe
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0260
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0261
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0262
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0263