Hacker News on 9 March 2012

• Here is why vim uses the hjkl keys as arrow keys
• Paul Graham Keynote at PyCon
• The Ruby on Rails Tutorial, now with Twitter's Bootstrap
• Linus Torvalds: Programs exist for their users
• Leaked: Police Plan to Raid The Pirate Bay
• Kara Is Self-Aware
• A fresh new Dropbox on the web
• Loopt acquired by payment card provider for $43.3m in cash
• Middle-aged prodigies: Seven poster children over 40
• Blur.js: Produce psuedo-transparent blurred elements over other elements.