This is a recap of the top 10 posts on Hacker News on Apr 27, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

I bought Friendster for $30k – Here's what I'm doing with it
https://ca98am79.medium.com/i-bought-friendster-for-30k-heres-what-i-m-doing-with-it-d5e8ddb3991d
https://news.ycombinator.com/item?id=47914165

An AI agent deleted our production database. The agent's confession is below
https://twitter.com/lifeof_jer/status/2048103471019434248
https://news.ycombinator.com/item?id=47911524

AI should elevate your thinking, not replace it
https://www.koshyjohn.com/blog/ai-should-elevate-your-thinking-not-replace-it/
https://news.ycombinator.com/item?id=47913650

Sawe becomes first athlete to run a sub-two-hour marathon in a competitive race
https://www.bbc.com/sport/athletics/articles/crm1m7e0zwzo
https://news.ycombinator.com/item?id=47914350

Self-updating screenshots
https://interblah.net/self-updating-screenshots
https://news.ycombinator.com/item?id=47908051

SWE-bench Verified no longer measures frontier coding capabilities
https://openai.com/index/why-we-no-longer-evaluate-swe-bench-verified/
https://news.ycombinator.com/item?id=47910388

Flipdiscs
https://flipdisc.io
https://news.ycombinator.com/item?id=47875795

Fast16: High-precision software sabotage 5 years before Stuxnet
https://www.sentinelone.com/labs/fast16-mystery-shadowbrokers-reference-reveals-high-precision-software-sabotage-5-years-before-stuxnet/
https://news.ycombinator.com/item?id=47913855

Three constraints before I build anything
https://jordanlord.co.uk/blog/3-constraints/
https://news.ycombinator.com/item?id=47903541

Butterflies are in decline across North America, a look at the Western Monarch
https://www.smithsonianmag.com/science-nature/butterflies-are-in-dramatic-decline-across-north-america-a-close-look-at-the-western-monarch-shows-why-180988582/
https://news.ycombinator.com/item?id=47914677