* Writing
  * Software Design (published on 18th Dec)
   * http://gihyo.jp/magazine/SD/archive/2013/201301
   * Ubuntu Monthly Report: A delicate relation between Ubuntu and Nexus 7

  * Ubuntu Weekly Topcis
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201212/07
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201212/14
   * http://gihyo.jp/admin/clip/01/ubuntu-topics/201212/21

  * Ubuntu Weekly Recipe
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0252
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0253
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0254
   * http://gihyo.jp/admin/serial/01/ubuntu-recipe/0255

 * Meeting
   * https://wiki.ubuntulinux.jp/IRCMeeting/20121203
   * https://wiki.ubuntulinux.jp/IRCMeeting/20121210
   * https://wiki.ubuntulinux.jp/IRCMeeting/20121218
   * https://wiki.ubuntulinux.jp/IRCMeeting/20121225