Hacker News on 25 July 2007

• Don't Break The Chain
• Y! releases YSlow for Firebug - Analyzes pages and tells you why they're slow
• Pics of Web Company HQs in California - Digg, Facebook, OpenDNS..
• Someone should add a column to this Wikipedia page about Y-Combinator StartUps: Status
• "Why I quit" by Linux kernel developer Con Kolivas
• Django Master Class (presentation and notes from OSCON 2007)
• It's Time to Drop the "www"
• Probably one of our favorites for chat programs on the iPhone, heysan!
• Warning to Facebook app developers: mind reading skills required!
• Why do we require user registration?