Hacker News on 22 January 2022

• I built a system that takes pictures of all the airplanes that fly over my house
• On Leaving Facebook
• WordPress themes, plugins backdoored in supply chain attack
• Ask HN: What's Up with Google?
• How E Ink developed full-color e-paper
• Amazon activist’s firing deemed illegal by labor board officials
• Why skyscrapers are so short
• Shell’s carbon capture plant is emitting more than it’s capturing
• Many clothing donations end up in African landfills
• Ant mill