Hacker News on 26 December 2007

• The world's most toxic value system
• Converting Pi to binary: Don't do it!
• Quote a part of a web page as an image with an image map.
• Your business model will die
• Ketchup Week: Put off all of your other work and finally make your web app
• Aspiring Social Networks: Stop Designing Out The Fun
• Memories of 20 Years of Perl
• Avoiding cross site request forgery in your web apps
• eBay launches microlending website
• RubyConf 2007 videos are posted