Hacker News on 19 December 2011

• An Indian Inventor Disrupts The Period Industry
• Dear Internet: It's no Longer OK Not to Know How Congress Works
• The Bomb That Changed My Life
• Why is Windows so slow?
• N. Korean leader Kim Jong Il dies
• How to get hired (or, 'The silly story of interviewing in the valley')
• CoffeeScript is not a language worth learning
• MITx positions to offer certification for completing courses online
• Unfortunate Python
• List of best free online learning sites