Hacker News on 21 July 2014

• Count to ten when a plane goes down
• Bitcoin: the Stripe perspective
• StackOverflow Update: 560M Pageviews a Month, 25 Servers
• Chattanooga offers residents lightning-quick connections, to telecoms' dismay
• Source code for the Apollo 11 Guidance Computer
• Virtual DOM in Elm
• State Laws That Stop Cities From Installing Fast Internet
• July 20, 1969: One Giant Leap For Mankind (2013)
• Be aware of phishing at airbnb
• TypeScript: New Compiler and Moving to GitHub