Hacker News on 4 April 2022

• Jd
• USB-C hubs and my slow descent into madness (2021)
• Tell HN: My kid's school installed spyware and I can't remove it
• What I learned as a hired consultant to autodidact physicists (2016)
• Amazon worker chat app to ban words such as “union”, “pay raise”, “slave labor”
• Are you a baby? A litmus test
• Elon Musk owns 9.2% of Twitter
• Why I'm in the Army Reserve – an explainer for my friends in tech
• Exit interviews are a trap
• Tinygrad