Hacker News on 2 November 2011

• I swapped my MacBook for an iPad+Linode
• Don't Give Your Users Shit Work
• College has been oversold
• Dark Sky - Weather Prediction, Reinvented
• The End of the Credit Card? New Square app: Card Case
• Happy Birthday Vim, The Venerable Text Editor Turns 20
• The end of an era: Internet Explorer drops below 50% of Web usage
• How Khan Academy is using machine learning to assess student mastery
• Carmack: Doom 3's engine ready for open-sourcing, awaiting 'OK' from legal
• Two decades of productivity: Vim's 20th anniversary