Hacker News on 27 June 2009

• PHP Team Responds to Google's PHP Tips
• Gates buys Feynman's "Messenger" lectures (to make available to the public)
• Python 3.1 released
• Why cheap airlines are so cheap
• Lessons learned in 30 years of programming
• Google homepage doesn't close html tags, on purpose
• Get Smarter
• Creating an iPhone Application - Tutorial 1
• How to be a Programmer: A Short, Comprehensive, and Personal Summary
• How to gain respect through body language