Hacker News Highlights

This is a recap of the top 10 posts on Hacker News on Jul 14, 2025.

Show HN: Ten years of running every day, visualized
https://nodaysoff.run
https://news.ycombinator.com/item?id=44522683

How does a screen work?
https://www.makingsoftware.com/chapters/how-a-screen-works
https://news.ycombinator.com/item?id=44550572

OpenCut: The open-source CapCut alternative
https://github.com/OpenCut-app/OpenCut
https://news.ycombinator.com/item?id=44553752

GLP-1s are breaking life insurance
https://www.glp1digest.com/p/how-glp-1s-are-breaking-life-insurance
https://news.ycombinator.com/item?id=44552414

Let's Learn x86-64 Assembly (2020)
https://gpfault.net/posts/asm-tut-0.txt.html
https://news.ycombinator.com/item?id=44554307

Five companies now control over 90% of the restaurant food delivery market
https://marketsaintefficient.substack.com/p/five-companies-now-control-over-90
https://news.ycombinator.com/item?id=44553389

The upcoming GPT-3 moment for RL
https://www.mechanize.work/blog/the-upcoming-gpt-3-moment-for-rl/
https://news.ycombinator.com/item?id=44512350

A technical look at Iran's internet shutdowns
https://zola.ink/blog/posts/a-technical-look-at-irans-internet-shutdown
https://news.ycombinator.com/item?id=44551652

Show HN: A Raycast-compatible launcher for Linux
https://github.com/ByteAtATime/raycast-linux
https://news.ycombinator.com/item?id=44551762

Show HN: Refine – A Local Alternative to Grammarly
https://refine.sh
https://news.ycombinator.com/item?id=44556684