The hottest Substack posts right now

according to Hacker News
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Fundamental architectural patterns Part 1[Systems Design Sundays]

Technology Made Simple • 59 implied HN points • 17 Jul 22
🕹 Technology Systems Design
  1. Fundamental architectural patterns can help in quickly solving common problems and creating a solid base for project implementation.
  2. Key patterns covered include Layers Pattern, Client-Server Pattern, and Pipe and Filter Pattern, each with specific roles and benefits.
  3. Patterns like Layers focus on separation of concerns, Client-Server centralizes resources for multiple clients, and Pipe and Filter facilitates data processing through a series of components.

GDP per capita or lying with statistics for advanced practitioners

Klement on Investing • 3 implied HN points • 20 Nov 25
💰 Finance GDP Statistics Exchange rates International Macroeconomics
  1. GDP per capita is a poor proxy for living standards and doesn’t tell you how well people actually live, so blunt comparisons (like Europe vs a US state) are misleading.
  2. Which exchange rates or base years you use (current dollars, constant dollars) can swing GDP comparisons a lot, letting statistics be used to support very different narratives.
  3. GDP per capita adjusted for PPP better reflects what people can buy with their income and usually narrows gaps with the US, but it’s more complex and rarely used in media headlines.

What Are You Selling Online? (Plus WhatsApp Attention Guide)

Day One • 259 implied HN points • 01 Jun 20
💼 Business Social media Branding Marketing Training
  1. To succeed in making money online, focus on providing value rather than just seeking income. Value delivery is key.
  2. Consider leveraging social media platforms to create and extract value, even without a website or ads. Identify needs and offer solutions.
  3. Engage in classes or courses to learn and implement strategies for monetizing platforms like WhatsApp, focusing on building attention and providing value.
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The Sequence Radar #486 : The Amazing AlphaGeometry2 Now Achieved Gold Medalist in Math Olympiads

TheSequence • 28 implied HN points • 09 Feb 25
🕹 Technology Machine Learning Data science AI Research Software Development
  1. AlphaGeometry2 has become a top performer in solving geometry problems, even surpassing human math Olympiad gold medalists. It can handle tough geometry concepts and has a better understanding of different math problems compared to its predecessor.
  2. The latest improvements in AlphaGeometry2 include an enhanced symbolic engine and a wider range of mathematical language features. This allows it to solve more complex geometry problems efficiently.
  3. AI is getting closer to matching or even exceeding human capabilities in competitive mathematics. This success in geometry could lead to similar advancements in other scientific fields like physics and chemistry.

It’s good business, but knee-bending is gross

Alex's Personal Blog • 32 implied HN points • 06 Jan 25
💼 Business Market Trends Investment Strategies Economic Policy Corporate Governance
  1. Chip stocks are doing well because of high demand for AI servers, especially after positive news from Foxconn. This growth indicates a strong start for the tech sector in 2025.
  2. There are concerns about the current concentration of power in US politics, particularly with Trump in charge. Many companies feel the need to align with him for their business safety, which is seen as distasteful.
  3. Sam Altman believes we are making progress toward advanced AI and that it could significantly change industries. He is optimistic about the future of AI, stating it could lead to greater innovations and prosperity.

In Defence of Power

Mon0’s Substack • 19 implied HN points • 13 Nov 23
📖 Philosophy Ethics Political Philosophy Social theory Critical Theory
  1. Power is often seen as bad, but it can actually be used for good. For example, parents guiding their children or the legal system keeping society safe are just uses of power.
  2. Many people wrongly believe that the powerful are always the oppressors. In reality, sometimes the less powerful can also act in harmful ways towards others.
  3. Using power requires responsibility and intelligence. Instead of fearing it, we should learn how to use power wisely to make positive changes in our lives and communities.

Log invalid values

CodeFaster • 36 implied HN points • 27 Nov 24
🕹 Technology Coding Development Software Programming Data
  1. Logging invalid values helps in debugging and understanding errors better. By including the actual value in the log, you can see what went wrong.
  2. Using clear and structured logging formats, like JSON, makes it easier to extract useful information later. This can save time and make troubleshooting smoother.
  3. Fast programming techniques and commands can enhance your workflow, letting you focus on coding efficiently rather than getting stuck on minor issues.

Zero ELT could be the death of the Modern Data Stack

The Orchestra Data Leadership Newsletter • 19 implied HN points • 13 Nov 23
🕹 Technology Data Analysis Data Tools Data Management Data Integration
  1. Zero ELT aims to streamline data processing by eliminating traditional extraction, loading, and transformation tools.
  2. Zero ELT tools are evolving to focus more on use-case specialization rather than functional grounds, leading to a trade-off between stack complexity and having the best tool for the job.
  3. Zero ELT tools, while promising in simplifying processes, may create data silos, lack interoperability with other tools, and bring about stack complexity issues.

#24: Insurance for AI: Easier Said than Done

Loeber on Substack • 40 implied HN points • 04 Nov 24
💼 Business Insurance Risk management Entrepreneurship Technology AI
  1. Insurance for AI risks is a complex topic due to the unpredictable nature of AI outputs, making it hard to find solid coverage options. Businesses want protection from costly mistakes by AI, but actual insurance products may be limited.
  2. The market for existing software error insurance is quite small, which raises questions about how large the market for AI error insurance could be. With many companies not even aware of current insurance options, it's a niche field.
  3. Insurers face challenges in accurately assessing AI risks due to information gaps and the rapid evolution of AI technology. This could lead to difficulties in creating effective insurance policies for AI applications.

Troublesome Tenants

Resilient Cyber • 59 implied HN points • 16 Jan 23
🕹 Technology Cybersecurity Data Privacy Information Technology Software Development Cloud Computing
  1. The PEACH Framework helps with cloud security by focusing on tenant isolation. It gives guidance on how to keep different customer data safe from each other.
  2. Multi-tenancy in cloud computing can bring risks, especially if security isn't handled correctly. It's important for both cloud service providers and users to understand these risks and take steps to protect themselves.
  3. Effective tenant isolation involves using several methods, like reducing complexity and improving separation. These strategies help ensure that one tenant's data doesn’t accidentally mix with another's.

Second Winds

SatPost by Trung Phan • 84 implied HN points • 23 Feb 24
🕹 Technology AI Venture Capital Internet culture Social media
  1. Many famous YouTubers are quitting after about a decade due to burnout, desire for new challenges, and moving on to new things.
  2. Václav Havel's essay 'Second Wind' explores the choices an artist has after initial success: repeat past successes, build on them in the same lane, or try something completely new for a 'second wind.'
  3. YouTubers like Tom Scott, MatPat, and Seth Everman are examples of creators seeking their 'second winds' by quitting YouTube after around ten years of success.

Core reveals bondholder names

Miner Weekly • 39 implied HN points • 21 Jan 23
💰 Finance Financial News Corporate News Hardware and Infrastructure Feature Regulation
  1. Core Scientific has identified bondholder names like Apollo Capital and MassMutual, among others, who invested nearly $500 million in convertible notes.
  2. Genesis Capital, in bankruptcy protection, owes billions to creditors, with Gemini, Bybit's Mirana Corp, and Babel Finance among the top creditors.
  3. Hut8 avoided major losses by providing a loan to Genesis and ensuring no outstanding amounts as of Q2'22.

Grok 4, 4KAgent, Moonvalley’s Marey, Devstral Medium, open-source AI robot, SmolLM3, FlexOlmo, Phi-4-mini-flash-reasoning, Trae Agent, Genspark AI Docs + AI Pods, Comet, FlexOlmo and more

AI Brews • 12 implied HN points • 11 Jul 25
🕹 Technology AI Models Open Source Product Development Machine Learning Automation
  1. Grok 4 is a new AI model that performs really well on tests, scoring impressively compared to others. It's like having a super smart study group that works together to solve problems.
  2. Mistral has upgraded their AI models to improve performance and cost efficiency, with some models now available through an easy-to-use API. This means developers can access powerful AI tools more easily.
  3. There are many exciting new projects and products in AI, including a robot for creative coding and an AI browser that can help with tasks, showing how AI is becoming more useful in everyday life.

The Cool Head in a Crisis

Fish Food for Thought • 12 implied HN points • 09 Jul 25
💼 Business Crisis Management Organizational Behavior Communication Leadership Management
  1. Great leaders remain calm under pressure, which helps them to make better decisions. Calmness is not just about handling situations; it also allows others to feel secure and focus better.
  2. Stress can actually help leaders grow, as they train themselves to deal with challenges. Embracing stress as part of the leadership journey fosters resilience and learning.
  3. Composure can be developed through practice and habits. Simple actions like controlling your voice and breath can make a big difference in how you and your team respond to crises.

A Bank of One's Own

Monomythical • 166 HN points • 11 Mar 23
💼 Business Venture Capital Entrepreneurship Startups Banking
  1. Many startup employees are unable to afford buying equity in the company they work for, leading to missed opportunities.
  2. Traditional banks often do not cater well to the financial needs of individuals involved in startups or venture capital.
  3. There is a need for more institutional support and celebration of diverse backgrounds in the entrepreneurial and creative fields.

Evaluating Startups

ASeq Newsletter • 36 implied HN points • 04 Dec 24
💼 Business Market Analysis Technology Investment Startups Entrepreneurship
  1. Startups need to prove their technology works by showing that credible research supports their approach. If only their own team has evidence, that's a red flag.
  2. External validation is important. When a trusted partner checks and confirms that the startup's work is real, it builds investor confidence.
  3. Investors are often more focused on potential profits and selling their investment than on whether the startup is currently making money. They want to see if someone else would buy in based on the startup's promise.

Is Big Tech using Data Laundering to cheat artists?[Storytime Saturdays]

Technology Made Simple • 39 implied HN points • 21 Nov 22
🕹 Technology Data Ethics Copyright AI Art
  1. Data Laundering involves converting stolen data to make it seem legitimate for different uses.
  2. Big Tech companies use non-profits to create datasets/models for research, then monetize them into APIs without compensating artists.
  3. There is a double standard between how Tech companies treat music and visual art, with considerations about replicating music, copyright standards, and the ethical aspects of compensation.

Clouded Judgement 7.25.25 - TAMs Lie

Clouded Judgement • 11 implied HN points • 25 Jul 25
💼 Business Market Analysis Technology Trends Software Investing Startups
  1. Understanding market size through Total Addressable Market (TAM) can be misleading, especially during major industry changes. Old ways of thinking about market value might not apply in new tech like AI.
  2. AI tools are not just for developers anymore; they’re expanding to other fields like marketing and finance, creating new markets and user bases. This shift means that the value of these tools goes beyond just saving time.
  3. Successful companies often start by solving a specific problem, but they can grow to offer much more. Focusing only on the initial market may overlook future opportunities and expansions.

Weekly Dose of Optimism #81

Not Boring by Packy McCormick • 84 implied HN points • 16 Feb 24
🕹 Technology Tech Culture AI Biotech Space Futurism
  1. SpaceX launched a private lander, Odysseus, aiming for the moon on a pioneering mission, marking a significant step in private space exploration and NASA's Artemis program
  2. Researchers in South Korea developed a method to grow beef on rice grains, creating a rice-beef hybrid that can enhance the nutritional value of rice-based diets in many parts of Asia
  3. A breakthrough in quantum technology allows for room-temperature quantum optomechanics, opening doors for practical applications of quantum control and observation

What the fuck is going on in Argentina?

memoirs & rambles • 84 HN points • 21 Feb 24
🌐 International Economy Travel Culture
  1. Dealing with money in Argentina is complex due to high inflation, multiple exchange rates, and currency devaluation.
  2. Despite economic challenges, Argentina impressed travelers with good infrastructure, cleanliness, and safety in various regions.
  3. Argentinians work hard to make a living, with many struggling financially but still managing to maintain a decent standard of living.

The 11 Types Of Toxic Pull Requests (According To 4.5 Million Code Branches)

Dev Interrupted • 121 implied HN points • 31 Aug 23
🕹 Technology Code Review Software Engineering Workflow management Collaboration Continuous Integration
  1. Poorly managed pull requests can harm developer productivity by creating bottlenecks.
  2. Common issues in pull request management include lack of process, standardization, and visibility.
  3. Toxic pull requests can be categorized into 11 types, such as outdated code, lacking documentation, and risky changes.

[Q4 CY23] ARM Special

Irrational Analysis • 19 implied HN points • 12 Nov 23
🕹 Technology CPU Semiconductors Royalties RISC-V AI
  1. ARM's royalty revenue faces challenges with declines in smartphone sales and RISC-V gaining share in embedded markets.
  2. AI trend shifts workloads from CPUs to specialized hardware, posing a challenge to ARM's value capture.
  3. ARM is expanding and investing in compute capabilities, but questions arise regarding the outcomes of these efforts, especially in the face of evolving industry dynamics.

Life Is All About Work, Didn’t You Know?

antoniomelonio • 86 implied HN points • 13 Feb 24
📖 Philosophy Labor Capitalism Work Freedom Society
  1. Life involves a cycle of working to survive - from following specific rules in society to earning a living through predetermined means.
  2. Many find dissatisfaction in modern work due to its lack of purpose, fake elements, and inequality. Imagining a fulfilling work experience that is meaningful and valued.
  3. Existence is tied to being productive in a system driven by abstract concepts of growth, leading to disillusionment and a call for individual struggle for freedom and authentic living.

Google Goes Small and Open Source with Gemma

TheSequence • 84 implied HN points • 25 Feb 24
🕹 Technology AI Tech Releases AI Open Source Generative AI ML Research
  1. Google released Gemma, a family of small open-source language models based on the architecture of its Gemini model. Gemma is designed to be more accessible and easier to work with than larger models.
  2. Open-source efforts in generative AI, like Gemma, are gaining traction with companies like Google and Microsoft investing in smaller, more manageable models. This shift aims to make advanced AI models more widely usable and customizable.
  3. The rise of small language models (SLMs) like Gemma showcases a growing movement towards more efficient and specialized AI solutions. Companies are exploring ways to make AI technology more practical and adaptable for various applications.

Platforms don't exist

Metal Machine Music by Ben Tarnoff • 339 implied HN points • 22 Nov 19
🕹 Technology Taxonomy Tech Policy Digital Infrastructure
  1. A left tech policy should aim to reduce the central role of markets in people's lives through decommodification, providing resources as a right and enabling democratic decision-making.
  2. When considering tech platforms, it's essential to move beyond the generic term 'platforms' and analyze size, function, and type of power they have to guide regulation effectively.
  3. Methods of decommodification and democratization for digital infrastructures can include public ownership, cooperative ownership, non-ownership, or abolition, accompanied by legislative regulations on data usage and algorithms.

The Long Game 169: AI Investment Thesis, Peter Attia, Earth AI, Science-Based Lifting

The Long Game by Mehdi Yacoubi • 3 implied HN points • 19 Nov 25
🕹 Technology AI Machine Learning Startups Venture Capital Product Strategy Data science Healthtech
  1. Longevity works best when you focus on basics—build muscle, move often, eat and sleep reasonably well—and avoid turning health into constant self-surveillance that makes you feel fragile.
  2. The AI app market is unstable because foundational model providers can rapidly absorb app features, so most startups either need to generate quick cash, aim to be acquired, or specialize in niches with unique atom-level data, hardware, or heavy enterprise integration.
  3. Real competitive advantage comes from controlling the full loop: huge, cleaned datasets, continent-scale multimodal models, and cheap execution that ties AI to real-world testing, and founders should build from conviction rather than chasing what’s currently fundable.

Let It Snow, Let It Go: The SnowVendor’s Dilemma

Gad’s Newsletter • 29 implied HN points • 27 Jan 25
💼 Business Economics Logistics Supply Chain Resource Management Operations
  1. Cities need to balance snow removal resources to avoid wasting money during mild winters while being prepared for severe storms. Too many resources can cost a lot, while too few can lead to big problems.
  2. Using data to predict snowfall and plan ahead helps cities manage their snow removal strategies better. This includes estimating how many snowplows and how much salt they will need based on past snow events.
  3. Pooling snow removal resources among cities sounds good, but it can create logistical challenges. Sharing equipment and supply can be complicated during serious snow events when everyone needs help at the same time.

Guide to using Perplexity Labs for financial analysis

The Product Channel By Sid Saladi • 13 implied HN points • 29 Jun 25
💼 Business Finance Investing Analytics Productivity Technology
  1. Perplexity Labs simplifies financial analysis by automating tasks. Instead of spending hours on spreadsheets, you can get dashboards and reports quickly.
  2. Templates are a huge help when using Perplexity Labs. They provide ready-made structures for various tasks like market analysis and financial reporting, saving you time.
  3. While Perplexity Labs can provide quick insights, it's important to double-check the results. It’s great for broad analysis, but detailed reviews still need a human touch.

How we built a business out of recession - chapter 35 - the wild goose chase continues

The ZIPster • 26 implied HN points • 21 Feb 25
💼 Business Startups Expansion Finance Management Entrepreneurship
  1. Expanding a business into new markets can be really tricky. Many companies assume they will succeed without understanding local culture or costs, and that can lead to big losses.
  2. Hiring the right people is essential, especially in new regions. You need experienced local managers who understand the market and can connect with customers.
  3. Sometimes, it's better to focus on nearby markets instead of chasing distant dreams. Building strong local partnerships can lead to better results without unnecessary risks.