Hacker News on 21 July 2009

• A visualization of why 1/4 + 1/16 + 1/64 + 1/256 + ... = 1/3
• Speechless: Dilbert Creator's Struggle to Regain His Voice
• Chinese engineer commits suicide after losing a 4th generation iPhone prototype
• My Thoughts on NoSQL
• iPhone development emergency guide
• If you find yourself competing with the Internet, find a way out.
• Django in the real world.
• Apollo 11 Dismembered
• Guy Kawasaki: A Dozen Don’ts for Entrepreneurs
• 20k+ lines of wave protocol code released today (wave federation day)