Comment/reply voting in roadmap?

Do you plan to expand the platform to allow for reply/comment up/down voting? Also, are you planning on utilizing any algorithms similar to the ones used by reddit outlined here: https://medium.com/hacking-and-gonzo/how-reddit-ranking-algorithms-work...

What makes up the Hashnode stack?

Tabs or Spaces?

In the spirit of HBO's Silicon Valley and a real point of debate... Tabs or Spaces?