In reply to Kaspars.

On the authoring experience, this quote is from Jon Chan's article, under the "Open Source" sub-head -

Our blog was going to be used by people who are not very technical. Having a GUI for our community and marketing teams to create posts and preview Markdown without learning Git was great.

When I first read this I assumed they had built a GUI for their users because I've played around with Jekyll and I don't recall it having a GUI? Now I'm wondering if the "was great is referring to the WordPress post editor.

The SO project is available on GitHub, and the authoring process is detailed there, if you're interested.

https://github.com/StackExchange/blog

After reading it I'm guessing that while the developers are all probably quite happy with the new setup, the non-technical staff will most likely be missing WordPress. :-p