Hacker News on 18 June 2011

• Amen: the world's most famous sample and the rise of the musical copyright
• The alternative Internet, WiFi based
• JSON users: Avoid CSRFs by not using top-level arrays
• High school grad builds 8-bit computer from scratch
• Geeky Stats About Magic Mushrooms
• Theoretical limit to how hard it can rain
• Chrome at 20% market share, IE9 less than IE7
• Django Setup using Nginx and Gunicorn
• Google Already had a Like Button (and other redundancy)
• Reverse engineering the Mac ‘breathing’ LED