Hacker News on 4 August 2014

• Extracting audio from visual information
• What ORMs have taught me: just learn SQL
• Hotel fines $500 for every bad review posted online
• Is Every Speed Limit Too Low?
• Sunfish: A simple but strong chess engine in 111 lines of Python
• Friendship Paradox
• GNU datamash
• Getting rid of burnout permanently
• Moving away from Puppet: SaltStack or Ansible?
• Show HN: A small virtual machine written in C