Hacker News on 2 June 2011

• Skype protocol reverse engineered, source available
• SonyPictures.com hacked, personal information and passwords compromised
• Alternative jQuery Documentation
• The Quora post that killed Bitcoins. Please discuss if his arguments are valid.
• Groupon files for IPO
• Introducing schema.org: Search engines come together for a richer web
• The Oatmeal vs. FunnyJunk: webcomic copyright fight gets personal
• Safari extension to hide Bitcoin stories on HN
• Where Did Groupon’s Billion Dollars (Series G) Go?
• Why Windows 8 Is Fundamentally Flawed as a Response to the iPad