Hacker News on 20 November 2019

• Slack’s new WYSIWYG input box is terrible
• Ask HN: What's the most valuable thing you can learn in an hour?
• Basic Social Skills Guide (2012)
• Apple has locked me out of my developer account
• uBlock Origin: Address first-party tracker blocking
• China
• Local-first software: you own your data, in spite of the cloud
• The Firefox UI Is Now Built with Web Components
• My years working on black programs
• Myths Programmers Believe about CPU Caches (2018)