Hacker News Reader

Markdown is also what RStudio uses for markup of comments in notebooks, so it is very common in the bioinformatics and statistics worlds.

Same in Python Juypter Notebooks. I wish I could use rst though. I have to google it every once in awhile to remind myself that they won't support it (https://github.com/ipython/ipython/issues/888#issuecomment-2...)