Hacker News on 23 April 2007

• The problem with conventional databases
• Welcome to the Dot Com Bubble 2.0
• What's your favorite entrepreneurial quote?
• Math For Programmers
• Scaling Twitter & Scaling Ruby on Rails (by Blaine from Twitter)
• 15 Startup Commandments
• Amazon/Statsaholic Dispute Just Got A Lot More Complicated
• Facebook adds all of twitter's functionality overnight.
• What to do after you sell your company and retire
• Bug Fix/Feature Request- Remove trailing ")" in url