Hacker News on 29 April 2021

• Yayagram
• Flu has disappeared worldwide during the Covid pandemic
• History of Techno
• An Update on the UMN Affair
• U.S. Labor Secretary throws support behind classifying gig workers as employees
• RotaJakiro: A long live secret backdoor with 0 VT detection
• Wi-Fi packet capturing on M1 Macs is broken
• CSRF, CORS, and HTTP Security Headers Demystified
• New evidence that British workplaces are losing viewpoint diversity
• Computer Science from the Bottom Up