Hacker News on 29 April 2014

• Firefox 29
• Google AdSense leak?
• A Motion-Sensing Keyboard
• Vagrant Feature Preview: Docker-Based Development Environments
• Announcing the MIT Bitcoin Project
• Programming Sucks
• Cakebrew: The Mac App for Homebrew
• Show HN: Betatype - A freelance site where clients pay $3,500 for prototypes
• Outbox vs. USPS: How the Post Office Killed Digital Mail
• Stanford study finds walking improves creativity