Hacker News on 11 October 2013

• A list of free programming books
• Facebook is using D in production starting today
• Air Gaps
• Iconic: Advanced icons for the modern web
• Formula 1′s Leading Team Has a Big Secret
• If you use Google+, you could become an ad next month
• Full archives of Game Developer magazine
• ECMA-404: The JSON Data Interchange Format [pdf]
• Why Registers Are Fast and RAM Is Slow
• Rather than savage cuts, Switzerland considers “Star Trek” economics