Very, very thorough. A great resource, thanks!

youlost_thegame · on Feb 29, 2012

  Empty comments can be ok if they're positive. There's 
  nothing wrong with submitting a comment saying just 
  "Thanks." What we especially discourage are comments that 
  are empty and negative—comments that are mere name-calling.

--http://ycombinator.com/newswelcome.html

youlost_thegame · on Feb 28, 2012

Wait... there's more on the homepage! http://hyperpolyglot.org/