Hacker News on 31 July 2008

• Pets.com CEO: The Five Big Mistakes That Changed My Life and How I Moved Past Them
• Zed Shaw is angry about feed readers
• Five Open Questions in Email
• Delicious 2.0 Launches For Real
• Ask YC: Why the excitement over XMPP on the backend?
• The NetFlix of Junk
• Lisp-generated movie box office visualization
• The Pirates Can't Be Stopped
• Python insights
• Walt Mossberg (WSJ) loves Xobni