Hacker News on 7 December 2007

• Rails 2.0 Released
• The Checklist: If something so simple can transform intensive care, what else can it do?
• Best software error message ever
• Ask YC: What's the best way to meet an angel investor?
• Wikipedia black helicopters circle Utah's Traverse Mountain
• I have a social website. How do I market it online effectively?
• "Paypal API is a total piece of crap" -- Michael Arrington
• Stevey's Blog Rants: Boring Stevey Status Update
• Forget the Linux Desktop, it's the Linux Laptop that matters
• Hey Facebook, WTF? Stay Away From TechCrunchers