気になるAdvent Calendar 2014

• Xamarin Advent Calendar 2014 - Qiita
• WebGL Advent Calendar 2014 - Qiita
• Swift Advent Calendar 2014 - Qiita
• Slack Advent Calendar 2014 - Qiita
• Ruby on Rails Advent Calendar 2014 - Qiita
• Ruby Advent Calendar 2014 - Qiita
• Oculus Rift Advent Calendar 2014 - Qiita
• Machine Learning Advent Calendar 2014 - Qiita
• h2o Advent Calendar 2014 - Qiita
• Elasticsearch Advent Calendar 2014 - Qiita
• Docker Advent Calendar 2014 - Qiita
• AWS Advent Calendar 2014 - Qiita
• Ansible Advent Calendar 2014 - Qiita
• Excel Advent Calendar 2014 - Qiita

ん、Excel？