Hacker News on 20 November 2016

• Quit Social Media, Your Career May Depend on It
• Scientist discovers particular seaweed nearly eliminates cow methane emissions
• Computer Science courses with video lectures
• Wal-Mart Tells Workers: Don’t Download Labor Group’s Chat App
• German Cities Are Solving the Age-Old Public Toilet Problem
• New for AWS Lambda – Environment Variables and Serverless Application Model
• Why the MacBook Pro Is Limited to 16GB of RAM
• Show HN: StockDroids.com – A curated list of near-stock Android devices
• CS294: Program Synthesis for Everyone
• I had a health crisis in France