Hacker News on 1 September 2009

• Petabytes on a budget: How to build cheap cloud storage
• John Siracusa's in-depth review of Snow Leopard on Ars Technica
• How to Build a Popularity Algorithm You can be Proud of
• Google, Gmail experiencing downtime worldwide
• Lisp is sin
• The programmer's wife
• Drilling a Square Hole (with a rotating bit)
• What are you reading?
• A 5 Minute Intelligence Test for Kids
• Augmented Reality in a Contact Lens