Hacker News on 19 January 2010

• A successful Git branching model
• You've been Yelped
• Fast. Easy. Clean. Shoelace Knot.
• Yelp Extortion Allegations Stack Up (March 2009)
• Why Poor Countries Are Poor
• The stray dog ecosystem of Moscow
• Offline Book "Lending" Costs U.S. Publishers Nearly $1 Trillion
• When work doesn't pay for the middle class
• Why Sass And Languages Like It Will Triumph
• Believing You Can Get Smarter Makes You Smarter