Hacker News on 23 July 2011

• Infinite Mario in HTML5
• Emacs follow-mode
• Sony's Captcha. View source to see why they don't "get" security
• The Little Manual of API Design
• Our security auditor is an idiot. How do I give him the information he wants?
• What Happened to the Future?
• Ask HN: What has been your most profitable side/weekend project to date?
• Intellectual Ventures on This American Life
• Google Plus Deleting Accounts En Masse: No Clear Answers
• NASA finds water reservoir equivalent to 140 trillion times the world's oceans