Books

A recurring thread on Hacker News invites readers to share the projects they are currently building, marking the November 2026 edition. The monthly question draws a wide range of responses, from solo hobby projects to early-stage startup work, and regularly becomes one of the most engaged discussions on the site as developers compare notes and seek feedback.

United Airlines has prohibited AI agents from booking flights on behalf of travelers, according to a CBS News report. The move blocks automated AI assistants from making purchases through the airline's systems, a step that comes as more people delegate online tasks like travel booking to AI tools. The policy is drawing attention for what it may signal about airlines resisting automated buying.

A 1960 study published in Science by researchers at the University of Illinois projected that unchecked population growth would reach infinite density on Friday, 13 November 2026. The satirically titled 'Doomsday' paper used a mathematical model showing human population doubling ever faster. Its prediction date has now arrived, drawing renewed attention to the work and its warnings about exponential growth.