Hacker News on 3 June 2011

• Try to digest the Groupon story
• How Perceptual Hashes Work
• How I Failed, Failed, and Finally Succeeded at Learning How to Code
• Copenhagen Suborbitals open-source private spacerocket will launch in an hour
• Amazon: Ponzi Scheme or Wal-Mart of the Web? (2000)
• Groupon is Effectively Insolvent
• The depth and breadth of Python
• Google paper comparing performance of C++, Java, Scala, and Go [PDF]
• $100k Revenues in One Month
• GitHub, Collaboration, and Haters