Hacker News on 21 April 2011

• Amazon Web Services are down
• Building a Web Application that makes $500 a Month – Part I
• "... so now I will jiggle things randomly until they unbreak" is not acceptable'
• AWS is down, but here's why the sky is falling
• My National Security Letter Gag Order (2007)
• 2-D Glasses
• Thank HN: 127 days since I asked for your advice.
• IBM's infamous "Black Team"
• Great jquery tutorial
• Everything popular is wrong: Making it in electronic music