Hacker News on 30 June 2010

• Ask HN: What were your naivetés in your twenties?
• Hacker Monthly #2 is out
• Solitude and Leadership: If you want others to follow, learn to be alone
• Woot To Be Acquired By Amazon
• Why Quora uses MySQL rather than No-SQL
• Two Weeks Vacation is only a Recommendation, not a Rule
• Ask HN: How can I get better at design?
• Stack overflow knockoff for machine learning, NLP, AI, ...
• GNU HURD: Altered visions and lost promise
• What's new in PostgreSQL 9.0 - a User's Perspective