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Web Real-Time Communication (or WebRTC) is the open standard browsers use to send audio, video, and data straight to each other. There's no plugin or native app, nothing beyond an API that every browser already ships. WebRTC covers the media path: once two peers have found each other, everything from codec negotiation to encoding to transport is handled. What it never covers is the finding part. This article discusses the three APIs that make up the spec, why signaling and NAT traversal li...

Most software version numbers look like 1.6.11 — three numbers separated by dots. This isn't an arbitrary naming choice; it follows a widely adopted convention called Semantic Versioning, or SemVer. This article looks at why version numbers are split into three parts, and what it actually takes to implement that convention correctly in code. What MAJOR.MINOR.PATCH Each Mean SemVer formats a version as MAJOR.MINOR.PATCH (for example, 1.6.11 ), and each position carries a dist...

How We Could Build a Civilization We No Longer Know How to Rebuild For centuries, anyone could look at the symbols carved into the walls, temples, and monuments of ancient Egypt. They were still there. They had not been destroyed. They had not been erased. They were not hidden. And yet the tradition that could read them had disappeared. The hieroglyphs had survived, but the chain of people capable of understanding them had not. The information remained physically preserved while the human ab...

As developers, we love to romanticize the hacker in the basement trope. But the reality is often a Slack notification away from a 45 minute rabbit hole. We have all been there: you open your editor, ready to tackle a complex bug. Before you type the first line, a Slack ping. You check it. Then an email. Then a quick glance at Twitter. When you look back at the code, 45 minutes have passed, and your brain feels like a fragmented hard drive. We blame ourselves. We think it is a lack of disci...

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Article URL: https://nullprogram.com/blog/2026/09/20/ Comments URL: https://news.ycombinator.com/item?id=49776796 Points: 6 # Comments: 1

Article URL: https://gregorygundersen.com/blog/2026/09/20/hierarchy-of-money/ Comments URL: https://news.ycombinator.com/item?id=49779253 Points: 74 # Comments: 27

Article URL: https://deadneurons.substack.com/p/frontier-labs-are-selling-garbage Comments URL: https://news.ycombinator.com/item?id=49779432 Points: 126 # Comments: 55

Article URL: https://github.com/lfarroco/ogre-battle-64-recomp Comments URL: https://news.ycombinator.com/item?id=49780022 Points: 16 # Comments: 6

Article URL: https://seldo.com/posts/nobody-pays-for-open-source-we-can-force-them-to/ Comments URL: https://news.ycombinator.com/item?id=49780064 Points: 102 # Comments: 68

Article URL: https://truthout.org/articles/warren-introduces-bill-to-ban-private-equity-from-owning-medical-practices/ Comments URL: https://news.ycombinator.com/item?id=49780630 Points: 104 # Comments: 57

Article URL: https://agentexecutor.io Comments URL: https://news.ycombinator.com/item?id=49780797 Points: 68 # Comments: 20

Article URL: https://libroot.org/posts/what-happened-to-the-snowden-archive Comments URL: https://news.ycombinator.com/item?id=49780820 Points: 60 # Comments: 11

On an H100, tokens per watt drops 12x between 4K and 64K context. Agents live at the fat end of that curve. The fix comes from semiconductor architecture.

9/20/2026: Trending stories on Hackernoon today!

Patch code that never had a test written for it, and every quick fix becomes tomorrow's outage

Pieter Levels says YC's batch proves software is mostly dead. But a harness is software. A two-question test for what AI will absorb, and what it can't.

AI agents are getting harder to control. From swarms exploiting vulnerabilities to real-world cyberattacks, the security challenge is rapidly evolving.

After it was announced that Sony was dropping Hideo Kojima's Physint, and that instead the Metal Gear Solid creator's latest title would be coming to Xbox, there were a flurry of rumors about the falling out. Bloomberg reported that the decision was driven by a number of factors, including missed deadlines, budget and profitability concerns, […]

The man who may stand to make the most money from the AI boom seems to think he knows better than anyone else, including researchers who have studied and worked on AI for decades. In an interview with CBS Sunday Morning, he claimed there was a "0% chance" of AI being the end of the […]

Welcome back to TechCrunch Mobility, your hub for the future of transportation and now, more than ever, the role AI is playing in it. To get this in your inbox, sign up here for free — just click TechCrunch Mobility!

The new legislation adds teeth to disclosure requirements for online influencers who are paid to post about politics.

ScrollEd turns textbooks into a scrollable, Instagram-like feed with video, audio, and quizzes. The Palo Alto startup, founded by student co-founders (and spouses) Utsav Gupta and Rebecca Neff, pitches at TechCrunch Disrupt.

Vocci's lightweight ring costs $249, and might pose some privacy questions

On Equity, we debated whether Ai executives are serious about wanting to slow down.

Many of The Boring Company's announced project have not materialized.