John Resig: Write Code Every Day http://ejohn.org/blog/write-code-every-day/
Agilar: Scrum teams: self-organizing or self-directed? http://blog.agilar.org/index.php/2014/04/09/scrum-teams-self-organizing-or-self-directed/
etsy engineering youtube https://www.youtube.com/user/etsyengineering