Extremely obscure mathematical concept described in such a fashion that a five year old could follow the explanation. Amazing.
Microsoft tool for isolating movement in an image
Well written article critically examining the 3.5 diplomacy skill, and building a replacement mechanic in a sensible way.
This is a great way to approach making changes to a game's mechanics.
/u/161719 offers a chilling rebuttal to the notion that it's okay for the government to spy on you because you have nothing to hide. "I didn't make anything up. These things happened to people I know."
http://www.reddit.com/r/changemyview/comments/1fv4r6/i_believe_the_government_should_be_allowed_to/caeb3pl?context=3
