Hacker News on 8 September 2012

• PayPal CEO writes personal response
• Russia in color, a century ago
• So I Made A Mashup, And Then…
• How Dangerous Is Your Couch?
• A love letter to MIT
• The "Wash my Ferrari" Problem: A Meditation on Risk
• Stackoverflow Is A Difficult Community to Participate In
• Learn How to make a Single Element iPhone in CSS3
• 4 geeky laws that rule our world
• CoffeeScript source maps