Hacker News on 19 December 2018

• Bye Bye Mongo, Hello Postgres
• For First Time in More Than 20 Years, Copyrighted Works Will Enter Public Domain
• MailChimp deleted my account with no warning
• Windows Sandbox
• As Facebook Raised a Privacy Wall, It Carved an Opening for Tech Giants
• Introducing Project Mu
• Google Tech Dev Guide
• What I learned from reading a thousand emergency room bills
• Writing copy for landing pages
• Python gets a new governance model