Hacker News on 5 June 2012

• Paul Graham's Letter to YC Companies
• Kids should be building rockets and robots, not taking standardized tests
• Salt, We Misjudged You
• Loading half a billion rows into MySQL
• On{X}: The Coolest Thing to Happen to Android. Courtesy of… Microsoft Israel?
• Gmail security warnings for suspected state-sponsored attacks
• Why Diablo 3 is less addictive than Diablo 2: a scientific explanation
• The Tesla Gun
• Fred Wilson's response to "Paul Graham's Letter to YC Companies"
• Mathics - A free, light-weight alternative to Mathematica with support for Sage