Chrome extension to post current url and comment to slack
Orijinal
http://qiita.com/kazunari-yamashiro/items/3a2170c3722b0f157d6a
Please read this :
https://qiita.com/ameyamashiro/items/3a2170c3722b0f157d6a#extension-%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9