Hacker News on 19 March 2010

• Google releases Skipfish, an open-source web security scanner
• Why most people don't like jazz
• Google's Python Class (Video, Notes & Exercises)
• How to disappear in America without a trace
• Express: A Node.js web development framework
• Tell HN : Wordpress.com exploit
• You Suck (On web apps that mismanage text)
• Why is JSON so popular? Developers want out of the syntax business
• Notifo (YC W10) Is A Simple Mobile Notifications Platform For Anything
• Responding to jacquesm's challenge