Hacker News on 5 December 2012

• Why First Round Capital funded a lawsuit
• Try R — A new online course, for free
• 'Everyone in US under virtual surveillance' - NSA whistleblower
• Tesla Was Cash Flow Positive Last Week, CEO Musk Says
• You can now create files on GitHub
• Dave Brubeck, Who Helped Put Jazz Back in Vogue, Dies at 91
• How To Accept Bitcoin On Your Website
• On Heroku and 2012
• A new era begins for Haskell
• Portal’s physics engine rebuilt in 25KB—on a graphing calculator