Hacker News on 23 July 2015

• NASA’s Kepler Mission Discovers Bigger, Older Cousin to Earth
• Airbnb, My $1B Lesson
• NASA announces discovery of Earth-like planet with earth similarity index 0.98
• iLoo
• LinkedIn quietly removes option to export contacts
• Postgres CLI with autocompletion and syntax highlighting
• How Apple Influenced The Labels To Shut Down My Music Streaming Startup
• How Berlin’s Futuristic Airport Became a $6B Embarrassment
• Amazon Web Services revenue rises 81% year over year
• YC Backs Portable Coffee Stand Called Wheelys (YC S15) to Take on Starbucks