@tzhongg couldn't agree more; @holman's early github talks significantly influenced my early public speaking efforts. speaking.io helped me further this and better understand how to communicate ideas effectively to large audiences!
I love the idea of turning would-be blog content into a dedicated micro site resource like this.
If you're into this content I wrote about my talk process here: http://mikeknoop.com/how-to-give...
Yolk.fm
Gimlet
Backchannel
Yolk.fm
noplace
Zapier