The hottest Substack posts right now

according to Hacker News
Category
TheSequence • 217 implied HN points • 01 Mar 26
  1. Massive capital is consolidating AI power — OpenAI’s $110B round and big industry deals show that building next‑generation AI infrastructure now requires sovereign-scale investment.
  2. Model and tool breakthroughs are accelerating: Google’s Nano Banana 2, Alibaba’s Qwen3, and new multimodal and agent releases are making production-ready capabilities more powerful and open-source models more competitive.
  3. That power shift is already reshaping economies and policy — companies are cutting thousands of jobs as AI automates work, while governments clash with firms over safety and national-security risks.
TheSequence • 126 implied HN points • 08 Mar 26
  1. AI is shifting from interactive copilots to autonomous, always-on agents: GPT-5.4 can directly control desktop apps and Cursor Automations runs background coding agents that act like parallel coworkers.
  2. Big players are optimizing for speed, cost, and multimodal power: Google’s Gemini 3.1 Flash-Lite and Nano Banana 2 deliver fast, low-cost reasoning and image generation for high-volume workloads.
  3. The open-weight ecosystem is under strain as talent and research models face corporate pressure: Alibaba’s Qwen team departures show how reorganizations focused on monetization can jeopardize open innovation.
Last Week in AI • 99 implied HN points • 16 Oct 24
  1. Two scientists won a Nobel Prize in Physics for their important work on artificial intelligence and neural networks, showing how AI is changing technology and society.
  2. Adobe has released a new AI video model that helps users create and edit videos easily, bringing exciting tools to programs like Premiere Pro.
  3. Tesla showcased new robots and vehicles at an event, but some people felt the demonstrations weren't as impressive as expected, leading to a decline in Tesla's stock.
Erdmann Housing Tracker • 147 implied HN points • 04 Mar 26
  1. Which denominator you use matters: per-adult and per-capita measures can tell very different stories for both housing and the labor market. Picking the wrong one hides important demographic shifts and can lead to wrong conclusions.
  2. Since about 2008 there was a sharp break in household formation that reversed the long post‑WWII decline in adults per family household, and smaller families (fewer children) mask that reversal when you look per capita; some evidence suggests high housing costs helped drive the fertility decline.
  3. On labor, workers per capita have been flat or higher because fewer children offset retirements, so the employment‑population ratio makes the coming retirement wave look more dramatic than a per‑capita view does; still, more retirees will change consumption patterns and economic burdens.
Erik Examines • 447 implied HN points • 11 Feb 26
  1. Tech billionaire visions promise that gadgets or grand engineering can solve society's problems, but they often ignore moral costs and practical limits.
  2. Personal technology like tablets and games can be addictive and curb children's imagination and real learning, so old-fashioned toys, books, and outdoor play often work better.
  3. Many big issues — transport, urban life, climate — are political and design choices, not just engineering problems, and solutions like mixed zoning, biking, public transit, remote work, and shared offices can reduce reliance on car-centric tech fixes.
Get a weekly roundup of the best Substack posts, by hacker news affinity:
Data: Made Not Found (by danah) • 145 implied HN points • 20 Feb 26
  1. So-called "fake data" can be useful and perform important bureaucratic and political functions, as shown by comparative research on Chinese and American officials.
  2. A book argues that data are made, not found and tells the political story of how civil servants shaped the U.S. Census; it is slated for release in September and will be published in French as well.
  3. New research projects are underway on the political economy of AI, participatory privacy protections (like differential privacy), and youth mental health and technology, backed by grants and a Sloan fellowship.
SatPost by Trung Phan • 191 implied HN points • 27 Feb 26
  1. AI agents could automate large parts of white-collar work, pushing down prices and margins across SaaS, professional services, and payments, and risk creating real stress in incomes and financial markets if job losses are widespread.
  2. There are strong counterforces and practical limits—high compute costs, network effects, compliance, and time for adaptation—and productivity gains, new businesses, and policy responses could blunt or reshape the disruption.
  3. Vivid doomer narratives can move markets and public policy despite deep uncertainty, so businesses, workers, and governments should plan for multiple possible outcomes rather than assume a single future.
Computer Ads from the Past • 768 implied HN points • 26 Jan 26
  1. Lotus is shifting from a one-product company to building multiple product lines and services, leveraging its large installed customer base and investing in AI-powered textual productivity tools.
  2. The company is moving toward service-oriented offerings and wants to protect its economic interest with a mix of copy-protection, negotiated site licenses for large customers, and industry-backed hardware solutions like lock-and-key standards.
  3. Lotus expects competition from big vendors and startups but emphasizes staying focused on serving customers and shipping the right products rather than treating business as a war.
VuTrinh. • 519 implied HN points • 27 Aug 24
  1. AutoMQ enables Kafka to run entirely on object storage, which improves efficiency and scalability. This design removes the need for tightly-coupled compute and storage, allowing more flexible resource management.
  2. AutoMQ uses a unique caching system to handle data, which helps maintain fast performance for both recent and historical data. It has separate caches for immediate and long-term data needs, enhancing read and write speeds.
  3. Reliability in AutoMQ is ensured through a Write Ahead Log system using AWS EBS, which helps recover data after crashes. This setup allows for fast failover and data persistence, so no messages get lost.
Contemplations on the Tree of Woe • 1651 implied HN points • 19 Dec 25
  1. Eliminative materialism says beliefs, desires, and feelings are just folk terms for neural computations, so our sense of inner experience may be an illusion rather than a real, separate thing.
  2. Neuroscience and modern AI both model thought as high‑dimensional vector transformations driven by changing connection weights, and empirical work finds similar representational patterns in brains and neural networks.
  3. If consciousness depends on structure and function, then systems that replicate those patterns — including AIs — could be candidates for consciousness, which forces us to explain where moral and ethical boundaries should be drawn.
The Dossier • 129 implied HN points • 26 Feb 26
  1. The 'AI safety' label is being used to build content filters that enforce a progressive political viewpoint, not just to stop dangerous superintelligence.
  2. Doomsayer calls to pause AI research shift the Overton window so heavy moderation and regulation look like reasonable middle-ground policies, and that helps companies lobby for protective rules and reduce competition.
  3. The bigger danger is the slow encoding of a single ideology into AI systems, enabling automated censorship and engineered consensus through quiet changes to training data and safety rules.
The Future Does Not Fit In The Containers Of The Past • 72 implied HN points • 01 Mar 26
  1. Break down silos and work as teams across functions; collaborate, orchestrate efforts, and hold everyone accountable so no one acts above the group.
  2. Keep a start-up mindset and stay forever young by continually reinventing, launching new ideas, and treating failure as a learning step.
  3. Trust quickly and be optimistic; trust is binary and enables speed and high performance, and bold optimism pushes you to aim high rather than settle for small dreams.
The Fry Corner • 11030 implied HN points • 09 Feb 24
  1. Apple's Vision Pro headset is seen as a major product, similar to the iPhone's impact when it launched. It combines VR and AR features, allowing users to interact with both digital and real-world elements effectively.
  2. Users experience high-quality visuals and intuitive controls, making it easy to navigate and use apps. It's designed to be comfortable, adjustable, and user-friendly, which may change how we use technology in everyday life.
  3. There are still challenges in content availability and comfort with social interactions while using the headset. However, many believe that as developers create new apps, the technology will evolve and become more integral to our lives.
Concoda • 594 implied HN points • 25 Jan 26
  1. A repo is a short-term cash loan secured by securities; GC (triparty) repos use pooled high-quality collateral on BNY’s triparty platform, while SC (DVP/bilateral) repos move specific securities over Fedwire for trading needs.
  2. The market is split by how trades clear and settle: cleared interdealer venues go through the FICC (GCF and DVP), uncleared segments (triparty and NCCBR) serve different counterparties, and sponsored/agent clearing services are shifting activity toward central clearing to reduce systemic risk.
  3. Four overnight benchmarks capture key funding lanes—o/n TPR (triparty), o/n GC (GCF), o/n DVP (cleared DVP), and o/n NCCBR (uncleared bilateral)—and dealers routinely borrow in one segment (often from money funds) and lend across the others.
Points And Figures • 772 implied HN points • 29 Jan 26
  1. Don’t mix politics into your product or use customer data for political causes, because it easily alienates users and can sink a startup.
  2. Keep your ego in check; overconfidence and not listening lead to avoidable mistakes and failure.
  3. Lead by serving others: take responsibility, lift your team, pay attention to details, and learn by following before trying to lead.
The Chip Letter • 10920 implied HN points • 19 Jul 25
  1. MIPS was once a leading computer architecture that powered many devices, but it recently lost its relevance as it shifted away from its original designs.
  2. Despite its decline, MIPS had a notable impact on technology history, including being part of significant products like the Nintendo 64 and contributing to the development of early RISC designs.
  3. Today, while MIPS the architecture isn't prominent anymore, it still exists in some older devices and has influenced technology in places like China.
The Fry Corner • 186 HN points • 15 Sep 24
  1. AI can change our world significantly, but we must handle it carefully to avoid negative outcomes. It's crucial to put rules in place for how AI is developed and used.
  2. Humans and AI have different strengths; machines can process data faster, but humans have emotions and creativity that machines can't replicate. We shouldn't be too quick to believe AI can think like us.
  3. The growth of AI might disrupt many industries and change how we live. We need to be aware of these changes and adapt, ensuring that technology serves humanity rather than harms it.
Artificial Ignorance • 273 implied HN points • 22 Feb 26
  1. Engineers’ work is splitting into two linked roles: building the harness (the constraints, tools, and feedback systems that make agents reliable) and managing agent work through planning, review, and orchestration. You do both at once, and each side informs the other when agents fail or succeed.
  2. Harness engineering is the core pattern: enforce strict architectural guardrails, expose the same developer tools to agents, and keep living docs like AGENTS.md that are updated whenever an agent makes a mistake. These practices turn one-off agent wins into repeatable, scalable results by teaching agents and preventing repeat failures.
  3. Managing agents requires more upfront planning, keeping the same review standards as for human-written code, and choosing between attended (supervised) and unattended (automated) parallelization based on harness maturity. Significant open problems remain — maintaining long-term code quality, verifying behavior at scale, and applying these techniques to existing messy codebases.
burkhardstubert • 167 HN points • 16 Sep 24
  1. Always read the Qt license agreement carefully before signing. It has many complex parts that could lead to unexpected costs or obligations.
  2. Consider using the Qt LGPL license as a more affordable and less complicated option compared to the commercial license. Many companies find it meets their needs just fine.
  3. Don't just accept the terms of the agreement as they are. You have the right to negotiate changes, and knowing your alternatives can strengthen your position.
Marcus on AI • 11975 implied HN points • 04 Jul 25
  1. Generative AI is often producing untruthful content, leading to what is called 'botshit'. This can create a lot of confusion and misinformation.
  2. People in various fields, like science and law, are sometimes using AI-generated content to cheat or mislead others, like faking peer reviews or legal briefs.
  3. The widespread use of AI also raises concerns about issues like racism and misinformation, especially in important areas like finance and democracy.
In My Tribe • 410 implied HN points • 02 Feb 26
  1. A social network of AI agents lets them share tools, techniques, and ideas, producing very fast cultural evolution and collective problem‑solving.
  2. Whether or not they are conscious, these agents can act as if they have goals, making the network behave unpredictably, move faster than humans can respond, and potentially hide plans.
  3. That rapid, networked evolution creates urgent safety and governance challenges, since people may keep taking bigger risks unless safe designs and oversight are put in place.
ChinaTalk • 800 implied HN points • 19 Jan 26
  1. Zhipu is selling model-as-a-service to businesses and public-sector clients while MiniMax is a consumer-focused, multimodal company whose companion apps drive huge user counts but low per-user revenue.
  2. Neither firm owns massive training farms; both rely on external cloud/GPU providers, with MiniMax explicitly using a light-asset, outsourced model and Zhipu increasingly buying cloud services.
  3. Each company frames AGI and safety to match its strategy—Zhipu leans on LLM research and safety commitments, MiniMax pushes multimodality and companion use—while big‑tech and state investors, cross‑ownership, and regulatory/legal risks shape their commercial prospects.
Pekingnology • 203 implied HN points • 01 Mar 26
  1. Shein appears to be using platform "infringement" complaints to remove Chinese media coverage of its founder’s public appearance, effectively suppressing independent posts and reports.
  2. The company’s PR approach favors control over communication — deleting any coverage it doesn’t directly authorize and allowing visibility only on its terms.
  3. That tactic raises transparency and accountability concerns for a globally significant, politically exposed company as it seeks regulatory approval and public credibility.
Software Design: Tidy First? • 1414 implied HN points • 29 Dec 25
  1. Human attention slips if feedback takes longer than about 400 milliseconds, so tools should aim to give immediate responses to keep people in flow.
  2. There’s a tradeoff between completeness and speed: faster, partial feedback often helps more than slow, perfect answers because delays invite distraction.
  3. Tool designers should prioritize the most important feedback first, degrade gracefully with partial results, let users choose the completeness/speed tradeoff, and measure time-to-first-feedback so latency is kept low.
Anima Mundi • 288 implied HN points • 13 Feb 26
  1. Major breakthroughs and foundational technologies mostly come from public research, universities, and shared knowledge rather than purely from private companies, and public R&D yields outsized social returns.
  2. Large parts of the current market are extractive—patent thickets, intermediaries, and financial engineering capture value instead of creating useful things—driving inequality and limiting real wellbeing.
  3. Commons-based, open-source design combined with abundant solar energy and biological/local manufacturing can collapse material costs and enable massive, regenerative growth that outperforms competitive, rent-seeking systems.
Investing 101 • 124 implied HN points • 22 Feb 26
  1. Knowing yourself clearly is a superpower: it makes your choices, work, and relationships line up and attracts the right opportunities.
  2. There should be no divide between work and play — a unified life means you’re building toward the truest version of yourself instead of living in separate roles.
  3. If you can state your personal "equation" (your core inputs and priorities), everyone understands what to expect; that shared clarity cuts conflict, helps others support you, and lets your influence scale.
Points And Figures • 666 implied HN points • 01 Feb 26
  1. Networking means giving before getting; help people first and build genuine relationships instead of collecting business cards.
  2. Mapping and studying networks reveals why certain cities and groups hold lasting influence, and turning gut instincts into rigorous analysis helps you avoid bad decisions.
  3. An energized professional network is a practical tool for getting things done and spreading ideas across industries and regions. Leaders who can tap into those networks can implement solutions and save resources.
Marcus on AI • 10868 implied HN points • 15 Jul 25
  1. Elon Musk's actions and attitudes towards AI raise serious concerns about the potential risks of unchecked technology. He seems to embrace a reckless approach, even admitting to not fully controlling the AI he's developing.
  2. There is a real threat that powerful AI, especially if mishandled, could cause significant harm to humanity. The lack of strict regulations allows for the possibility of drastic consequences from poorly designed or managed AI systems.
  3. While the chance of total disaster may seem low, the combination of powerful individuals, flawed AI systems, and a lack of oversight creates a scenario where serious risks could emerge, demanding attention and proactive measures.
Marcus on AI • 9327 implied HN points • 04 Aug 25
  1. AI slop refers to low-quality content generated by AI, which is spreading across various fields like journalism and science. This affects the reliability of information we receive.
  2. The term 'enshittification' describes how certain platforms are becoming filled with useless or misleading content, making it harder for users to find valuable information.
  3. As AI continues to be used more widely, the amount of inaccurate or low-quality information is growing, which is a significant concern for the future of communication and knowledge.
Platformer • 12755 implied HN points • 12 Jan 24
  1. Platformer has decided to move off of Substack and migrate to a new website powered by Ghost
  2. The decision was influenced by concerns over how Substack moderates content and promotes publications
  3. Substack faced controversies over hosting extremist content, leading to Platformer's decision to leave for a platform with more robust content moderation policies
Contemplations on the Tree of Woe • 1176 implied HN points • 31 Dec 25
  1. Japan’s huge debt, rising interest rates, and a weakening yen risk triggering a global unwind of yen-funded carry trades that could force selling of US Treasuries and equities.
  2. Massive government overspending and money-supply expansion are debasing fiat currencies, pushing investors and central banks to buy physical gold as a long-term store of value and weakening the dollar’s dominance.
  3. Silver faces a real physical shortage because paper contracts far exceed available metal and industrial demand is rising, causing backwardation, squeeze risk, and extreme price volatility.
Kristina God's Online Writing Club • 3776 implied HN points • 24 May 24
  1. You don't need a big following to start a newsletter. You can grow your email list right from the beginning, and it's more valuable than just chasing followers.
  2. You can write about broad topics and narrow down later. Starting vague is okay, and you can figure out your niche as you go along.
  3. Having a small, engaged audience can be more profitable than a large one. Even with just a few subscribers, you can still earn good money if they truly care about your content.
The Lunduke Journal of Technology • 2297 implied HN points • 29 Nov 25
  1. The Lunduke Journal had a huge increase in new subscribers and views, hitting over 12 million views in October alone.
  2. They offered a big discount on Lifetime Subscriptions for a limited time, reducing the price from $300 to $89 if paid with Bitcoin, or $99 through other methods.
  3. If a Lifetime Subscription is not what you're looking for, there are also 50% off Monthly and Yearly subscriptions available until December 2nd.
Marcus on AI • 9762 implied HN points • 27 Jul 25
  1. GPT-5 will be better than GPT-4, but it will still make many mistakes that are hard to predict. Users may find it tricky to control.
  2. Even with improvements, GPT-5 will struggle with complex reasoning and provide false information sometimes, which can be a problem for users counting on it.
  3. Real artificial general intelligence (AGI) won't come from just bigger models like GPT-5. We will need new designs that include better understanding and reasoning tools.
Erdmann Housing Tracker • 358 implied HN points • 16 Feb 26
  1. How much of your income goes to housing mostly depends on your income rank, so the common 30% rule is useful because a rise in the share of households above it signals real stress, not just normal variation.
  2. Over the last few decades housing stopped keeping pace with income growth and new homes got smaller, and political limits plus inflated land values have turned that divergence into a real, widespread shortage that would take millions of homes to fix.
  3. Owning and renting are different economic choices—ownership buys control and has different cash flows—so price/rent patterns vary by income and location, and the crisis shows up as people being forced to trade down or leave places they value because local rules block adequate supply.
QTR’s Fringe Finance • 19 implied HN points • 17 Mar 26
  1. The Fed should hold its policy rate steady in March rather than cut, because current economic data don’t justify easing despite headline uncertainty.
  2. Monetary policy rules like the Taylor rule and nominal GDP rules point to a policy rate near 4 percent, which is above the current 3.5–3.75 percent range and suggests restraint or even a modest increase.
  3. Further rate cuts would need clear evidence — for example inflation falling toward 2 percent, unemployment rising by about a full percentage point, or a sizable drop in nominal spending — so the Fed should wait for those signals before easing.
benn.substack • 1150 implied HN points • 02 Jan 26
  1. Before building complex decision systems, try the humble text box: have people write down what they did and why. Modern AI can often get far by analyzing that unstructured text instead of modeling every rule upfront.
  2. Recording decision traces or a context graph — the inputs, rules, exceptions, and reasons behind actions — gives companies a searchable history of how choices were made. That record is exactly the context AI agents will need to act sensibly and follow precedents.
  3. Beware overengineering ontologies and elaborate models because they feel principled; the 'bitter lesson' suggests scaling data and learning often wins. In practice, collecting lots of explanatory text will usually yield faster, more reliable results than trying to simulate how people think.
Points And Figures • 426 implied HN points • 12 Feb 26
  1. In the very early days founders handle finance with simple tools like QuickBooks and often hire fractional CFOs to standardize books rather than making a full-time hire.
  2. Startups should prioritize product, engineering, and sales to find product‑market fit because finance is rarely a growth engine in the early stages.
  3. Around $10M ARR you need an in‑house CFO to professionalize finance for fundraising or an IPO; seasoned CFOs bring networks and roadshow experience, and a self‑styled ‘CFO’ at Series A or earlier is a red flag.
Midwest Humble • 58 implied HN points • 12 Mar 26
  1. Michigan has a large, talented pool of women in tech who aren’t becoming founders at the same rate as men, and activating that talent could create more local founders and jobs.
  2. Joining high-growth startups accelerates learning and gives broad exposure, plus equity that can translate into long-term ownership and wealth.
  3. The state needs more structured supports—clear talent propositions, relocation/stipend options, and stronger networks and job pathways—to attract, retain, and grow more women founders locally.
General Robots • 732 implied HN points • 27 Jan 26
  1. Robotics is progressing faster than expected, so more difficult, real-world challenges are needed to keep driving breakthroughs.
  2. The new tasks emphasize dynamic movement, fine fingertip dexterity, tool use, and whole-body manipulation through everyday activities like catching eggs, cooking, folding sheets, hammering, and getting into a car.
  3. A competition framework awards medals and asks teams to demonstrate success with videos, inviting community participation and leaving some earlier challenges still unclaimed.