The hottest Substack posts right now

according to Hacker News
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Kyiv Metro vs the World: An Exploration

S(ubstack)-Bahn • 341 implied HN points • 22 Sep 23
🌐 International Infrastructure Labor Transportation Innovation War
  1. Kyiv Metro managed to run high frequency trains during wartime, which was a challenge for other systems.
  2. The success of Kyiv Metro can be attributed to infrastructural choices, like station typology, and organizational practices, like a Soviet-era philosophy of train throughput.
  3. Kyiv Metro's ability to operate effectively and maintain high frequencies is also due to having a surplus of labor, contributing to its resilience.

The Enshittification of Everything

Polymathic Being • 104 implied HN points • 08 Dec 24
🕹 Technology Trust Issues AI Content creation Digital Media
  1. AI is producing a lot of poor-quality content, leading to a decline in trust in places like academia and social media. It shows a need for better content verification.
  2. The current mess in digital spaces, called 'enshittification', has been happening for a long time, not just because of AI. People have been manipulating systems for profit for years.
  3. Despite the problems, AI can help us recognize and clean up the digital space by highlighting bad content. This might lead to a demand for better, more trustworthy human-created content.

The Contest for Japan’s Economic Future

Japan Economy Watch • 39 implied HN points • 11 Jan 24
💼 Business Entrepreneurship Startups Regulations Finance Economy
  1. Japan's stagnant economy could see a revival through a new generation of entrepreneurs and major social changes opening new opportunities.
  2. Challenges to progress in Japan include difficulty in bank financing, resistance to change by powerful entities, and the inflexibility of the traditional system with aspects like lifetime employment.
  3. Notable experts have endorsed the book 'The Contest for Japan's Economic Future', praising its analysis and recommendations for tapping into entrepreneurial potential in Japan.
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Synthetic Data In A Nutshell

Three Data Point Thursday • 39 implied HN points • 11 Jan 24
🕹 Technology Data Engineering Machine Learning Software Development Data science AI
  1. Synthetic data is fake data that is becoming increasingly practical and valuable.
  2. Generative AI and the growing gap between data demand and availability are driving forces for the usefulness of synthetic data.
  3. Synthetic data is beneficial in various fields beyond just machine learning, offering opportunities for innovation and improvement.

How 15 famous brands got their names

Jon’s Newsletter • 99 implied HN points • 21 May 23
💼 Business History Marketing Branding Product Design Consumer behavior
  1. Many brand names have personal or fun stories behind them, like Android being named after a co-founder's nickname. It's cool how these names can connect to the people or experiences involved in their creation.
  2. Some brands, like Band-Aid and Life Savers, have names that describe exactly what they do. These names help customers understand what to expect from the product.
  3. The origins of brand names can reflect cultural or geographical influences, such as Lego meaning 'play well' in Danish. It's neat to see how language and culture shape these popular names.

Jobs and Opps at The Bureau, ITV, The Bristol Cable, The Royal Aeronautical Society, and Many Many More ☄️

Journo Resources - The Opportunities • 99 implied HN points • 01 Aug 23
💼 Business Journalism Media Freelancing Marketing Writing
  1. The newsletter discusses various job opportunities in journalism and media industry.
  2. The author shares their experience of taking a break and finding joy in work.
  3. Upcoming events and opportunities in the journalism field are highlighted for the audience.

Thư ngỏ gửi Thủ tướng Phạm Minh Chính về việc thay đổi tư duy làm app chống dịch

Thái | Hacker | Kỹ sư tin tặc • 399 implied HN points • 05 Oct 21
🕹 Technology Coding Open Source Health tech Cybersecurity
  1. The electronic health record system in Vietnam has serious security vulnerabilities, potentially exposing sensitive personal information of millions of individuals, including high-profile government officials.
  2. It is crucial for the government to address these vulnerabilities promptly by working with developers to fix the flaws and involve independent assessment.
  3. The long-term recommendation is to make national technology systems transparent by publicly sharing source code, design documents, and development plans to allow for widespread scrutiny and error detection.

The Illusion of Security and Safety

Resilient Cyber • 119 implied HN points • 11 May 23
🕹 Technology Law enforcement Society Cybersecurity International relations Philosophy
  1. Our physical security measures are often weaker than we think. For instance, common locks can be picked easily, which shows that our sense of security might be just an illusion.
  2. Safety relies on societal agreements, not just on laws or security measures. People generally choose to respect each other's property, which is why we don't face crime constantly.
  3. Our cybersecurity is similarly vulnerable. Current defenses work against normal cyber crime, but if serious attacks from nation-states happen, our systems may not hold up at all.

AI isn't a feature of your product

Sunday Letters • 139 implied HN points • 25 Feb 23
💼 Business Innovation Tech Integration Product Development Market Trends AI Strategy
  1. AI should be seen as a platform, not just a feature of your product. Treating AI as a foundation can lead to more innovative and valuable solutions.
  2. The real potential of AI comes from creating products that can't function without it. This approach can lead to significant advancements and new possibilities.
  3. Ask 'what if' questions to explore the full potential of AI. This mindset can help you think creatively about building solutions for the future.

Finding Stoicism

Polymathic Being • 75 implied HN points • 23 Feb 25
📖 Philosophy Ethics Stoicism Emotions Agency Mindfulness
  1. Stoicism is about understanding and managing emotions, not suppressing them. It's important to feel and appreciate our emotions rather than act like they don't matter.
  2. Many people struggle with anxiety because they lack challenges in life, feel pressured to blame others, and often ignore their own ability to take control. Stoicism helps address these issues by teaching personal responsibility.
  3. To practice Stoicism, focus on yourself, take ownership of your actions, and avoid getting distracted by others' problems. By doing this, you can find balance and improve your mental well-being.

Step-Wise Controllable Agents From LlamaIndex

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 19 implied HN points • 10 Apr 24
🕹 Technology NLP Chatbots AI Software Development Autonomous Agents
  1. LlamaIndex has introduced a new agent API that allows for more detailed control over agent tasks. This means users can see each step the agent takes and decide when to execute tasks.
  2. The new system separates task creation from execution, making it easier to manage tasks. Users can create a task ahead of time and run it later while monitoring each stage of execution.
  3. This step-wise approach improves how agents are inspected and controlled, giving users a clearer understanding of what the agents are doing and how they arrive at results.

Console #172 - Interview with Dima of Novu - open-source notification infrastructure

Console • 354 implied HN points • 27 Aug 23
🕹 Technology Software Development Open Source Project management Collaboration
  1. Novu is an open-source notification infrastructure created by Dima and his co-founder to simplify communication for businesses.
  2. Novu empowers users to switch between email or SMS delivery providers seamlessly with its core principles of Triggers, Workflows, and Providers.
  3. Novu has a diverse team from around the world, emphasizes self-hosting, and offers a managed cloud version and enterprise licenses for revenue.

Industrial LLMs: Business of Manufacturing Technology

Exponential Industry • 39 implied HN points • 10 Jan 24
🕹 Technology Manufacturing Innovation Artificial Intelligence GPT
  1. The Exponential Industry GPT is tailored to the business of manufacturing technology with curated knowledge of manufacturing terminology, business understanding, and technology tradeoffs.
  2. Building a GPT involves providing a specific context, persona, and conversational tone, with additional instructions and knowledge to further customize it.
  3. The Exponential Industry GPT showcases the difference in usability by providing tailored responses related to manufacturing technology, offering specific strategies and insights.

Evaluating LLM Agents and Applications

LLMs for Engineers • 79 implied HN points • 11 Jul 23
🕹 Technology Software Engineering AI Development Machine Learning Data Analysis
  1. Evaluating large language models (LLMs) is important because existing test suites don’t always fit real-world needs. So, developers often create their own tools to measure accuracy in specific applications.
  2. There are four main types of evaluations for LLM applications: metric-based, tools-based, model-based, and involving human experts. Each method has its strengths and weaknesses depending on the context.
  3. Understanding how well LLM applications are performing is essential for improving their quality. This allows for better fine-tuning, compiling smaller models, and creating systems that work efficiently together.

Beginning Again

Anima Mundi • 41 implied HN points • 09 Jun 25
📖 Philosophy Spirituality Existentialism Mindfulness Personal Growth
  1. Beginning again is not about starting from scratch, but from a place of knowledge and experience. It allows us to approach life with more clarity and strength.
  2. It's important to embrace the quiet moments when life offers us a chance to restart. This can be seen as an opportunity to connect deeply rather than rush or perform.
  3. Rather than viewing beginning again as failure, see it as a chance to nurture and grow. It's about creating systems that heal and listening to our inner desires without pressure.

2022 Introspective

Technology Made Simple • 99 implied HN points • 27 Dec 22
🕹 Technology Community Building Content creation Online Platforms Audience Growth
  1. The newsletter is going on break till January 5th to recharge and will have a 'start here' section for newcomers.
  2. More AI/Machine Learning content will be integrated into the newsletter on specific days to cater to a general audience.
  3. The growth of the newsletter was mainly influenced by partnerships, Substack recommendations, and content on other platforms including LinkedIn and Medium.

Products I Would Like to See

David Friedman’s Substack • 116 implied HN points • 07 Nov 24
🕹 Technology Home Automation
  1. A thermostatic burner could help cook food at the right temperature without boiling over. It uses sensors to adjust heat automatically.
  2. Home cooling can be made easier by setting up fans and vents that open when it's cooler outside. This can help lower air conditioning costs.
  3. A silverware organizer with adjustable sections would keep utensils organized better. It would fix the space problem in traditional trays.

Inflation - what's it all about?

Concepts of Finance 🧠 • 159 implied HN points • 10 Feb 23
💰 Finance Monetary Policy Investments Cost of living Financial Literacy Economics
  1. Inflation means prices are going up, which affects how much you can buy with your money. This can make it harder to afford everyday things like food and housing.
  2. The consumer price index (CPI) is used to measure inflation by looking at the average cost of common items. Experts track how these prices change over time to understand inflation rates.
  3. Sometimes inflation can be good for the economy because it shows increased demand for goods. However, if wages don't keep up with rising prices, it can create financial strain for many people.

1/9/2024: InVision is Shutting Down

depression2022 • 39 implied HN points • 09 Jan 24
💼 Business Tech industry Startup Investing
  1. InVision, a popular design collaboration app, is shutting down after facing stiff competition from Figma.
  2. The closure of InVision highlights the risks of startup investing and the challenges of managing investments without acquisitions or IPOs.
  3. 2024 may see more unicorn failures than successful IPOs, with many overfunded startups expected to fail.

Technology Turns the Generational Clock

Holodoxa • 79 implied HN points • 25 May 23
🕹 Technology Technological Impact
  1. Generational analysis can provide insights and understanding of different age groups based on social and technological contexts.
  2. Technology has had a significant impact on generational changes, enabling individualism and altering life trajectories.
  3. While generational analysis can offer interesting data on differences among generations, causal connections to technology may not be strongly established, and some claims of causality should be scrutinized.

Follow-Up: Mortgages by Credit Score

Erdmann Housing Tracker • 105 implied HN points • 04 Dec 24
💰 Finance Housing Market Credit Scores Mortgages
  1. The average down payment for mortgages has stayed about the same since 1996, showing that lending standards haven’t changed as much as some people think.
  2. Home values and lending practices dramatically shifted between 2007 and 2009, leading to a decline in the quality of new mortgages, which affected the overall housing market.
  3. The decline in home values wasn't just a sudden crisis but a long-term issue influenced by lending practices and market perceptions, resulting in many areas experiencing just steady downturns without previous booms.

Machine Learning at a Pegacorn

Gradient Flow • 199 implied HN points • 04 Aug 22
🕹 Technology Machine Learning Metaverse Data Infrastructure AI Ethics
  1. Major tech companies are investing in the Metaverse along with AI and cloud computing, based on 2022 coverage.
  2. In the podcast 'Data Exchange', topics like data infrastructure for computer vision and machine learning at Gong are discussed.
  3. Tree-based learners outperform neural network-based learners on tabular data, and Transformers are used to cluster papers from ICML 2022.

What's JavaScript?

Technically • 34 implied HN points • 15 Jul 25
🕹 Technology Programming Web Development Software Engineering Frontend Development
  1. JavaScript is the most popular programming language today and initially started as a way to make websites interactive.
  2. It works alongside HTML and CSS; HTML is for structure, CSS is for style, and JavaScript makes things interactive, like buttons and animations.
  3. JavaScript can now be used for both the front end and back end of applications thanks to tools like Node.js and TypeScript, making it a powerful all-in-one language.

MicroStrategy's $37B+ Bitcoin Bet (Is Just The Start)

SatPost by Trung Phan • 106 implied HN points • 30 Nov 24
🔮 Crypto Bitcoin Investing Finance Market Trends Business strategy
  1. MicroStrategy, a software company, has made a huge shift by investing over $37 billion in Bitcoin. This change aims to protect against inflation and economic instability by using Bitcoin as a long-term store of value.
  2. Michael Saylor, the company's CEO, believes that Bitcoin is the best asset for wealth preservation compared to traditional investments like gold or real estate. He sees it as essential for economic freedom and stability.
  3. By issuing convertibles and equity to raise money, MicroStrategy has created a unique business model that offers investors exposure to Bitcoin without the hassles of buying it directly. This approach is attracting various institutional investors looking for Bitcoin-linked financial products.

Can we already grasp the rough outlines of these coming forms, capable of threatening the joys of marketing?

Internal exile • 78 implied HN points • 14 Feb 25
🕹 Technology Society AI Consumerism Marketing Automation
  1. AI agents are being marketed as helpers that take care of tasks for us, but they might actually make our lives more complicated and alienate us from real experiences.
  2. The way AI is being portrayed in ads can show a future where human agency is diminished, with technology making decisions for us instead of us making our own choices.
  3. Convenience can lead to a loss of personal will and the ability to make decisions, making it seem easier to let machines dictate our lives rather than engage with them ourselves.

A dbt cloud alternative with no-code ELT: end-to-end data pipelines in Coalesce on Snowflake

The Orchestra Data Leadership Newsletter • 39 implied HN points • 09 Jan 24
🕹 Technology ETL Data Transformation Data Pipelines
  1. The article discusses building a data release pipeline to analyze Hubspot data using Coalesce, a no-code ELT tool on Snowflake.
  2. One key issue encountered was the challenges with Hubspot's data model when trying to consolidate form fill data and messages into a meaningful view.
  3. Setting up Coalesce involves defining storage mappings, granting access to Coalesce users, and carefully handling environments to prevent data overwriting when working between development and production.

Chinese economy hinges on market reform & rule of law, NOT monetary or fiscal policy, says Zhang Weiying

Pekingnology • 109 implied HN points • 26 Nov 24
💼 Business Global Trade Policy Analysis Economics Entrepreneurship
  1. The success of the Chinese economy is rooted in market reforms and the rule of law, rather than just government spending or interest rates. This means that true economic growth comes from creating a system that supports freedom and innovation.
  2. Addressing first-order issues, like improving legal systems and personal freedoms, is crucial. These foundational changes spark real confidence among entrepreneurs, driving sustainable economic growth instead of just relying on short-term financial fixes.
  3. China's approach to opening up and internal liberalization must be seen as interconnected. For China to thrive globally, it needs to embrace both international cooperation and reform at home, trusting in the creativity and initiative of its people.

Review 2023 - Mining Economics

nicosmid • 39 implied HN points • 09 Jan 24
🔮 Crypto Economics Mining Bitcoin Blockchain
  1. Bitcoin's price in 2023 saw a 171.5% increase from the beginning of the year.
  2. The network difficulty increased significantly throughout the year by 103.6%.
  3. Hashprice stayed above $80/PH/Day due to a surge in transaction fees and Bitcoin's price increase in the last two months of 2023.

Not wrong isn't the same as right

Sunday Letters • 119 implied HN points • 09 Apr 23
🕹 Technology Innovation Web Development AI Software
  1. Just because something isn't wrong doesn't mean it's the best choice. It's important to look for the truly right solutions rather than settling for what works okay.
  2. In the current wave of AI, many solutions are improving parts of existing applications but not really changing things in a big way. We need to think bigger and bolder about innovation.
  3. During big changes, like the internet boom or AI growth, it can be tempting to stick with familiar ideas. However, that might lead us to miss out on new, better opportunities.

Revenge of the SVP of Partnerships

Dev Interrupted • 32 implied HN points • 17 Jul 25
🕹 Technology AI Software Engineering Productivity Development
  1. AI is changing how we develop software and who gets to build it. More people in a company can now create software, not just engineers.
  2. Companies need to measure productivity by looking at how much value their products deliver, not just how quickly code is written. It's about what customers actually want and need.
  3. To make sure everyone can build safely, organizations should set clear rules and provide tools and training for all employees. This way, everyone can collaborate and innovate effectively.

Let's "Unfriend" Facebook

Diane Francis • 619 implied HN points • 22 Feb 21
🕹 Technology Regulation Information Warfare Cybersecurity Privacy Social media
  1. Facebook's response to Australia's push for media regulation shows their arrogant power. They blocked important information and media, which raises questions about their respect for democracy.
  2. The company's early financial backing from Russian investors highlights concerns about privacy and user data exploitation. This money helped transform Facebook into a tool for propagating various ideologies.
  3. Facebook's history of blocking content and censoring users, especially in oppressive regimes, indicates a troubling disregard for free speech. The company often reacts slowly to criticism and legal issues, making it seem like they prioritize profit over ethics.

How to Fake Decryption

Nonsense on Stilts • 1 HN point • 04 Sep 24
🕹 Technology Cryptography Cybersecurity Information Theory Computer Science Data Privacy
  1. You can create a fake key and a fake message to trick someone into thinking they decrypted a message. This lets you mislead anyone watching your communication.
  2. It's important to plan what the fake message will be before sending the real one, so both parties know what to expect if asked.
  3. This technique could be used for serious purposes, like hiding important communications, or just for fun in games and stories.

Sacrifice revenue for simplicity

Tiny Empires • 98 implied HN points • 11 Dec 24
💼 Business Marketing Sales Product Development Entrepreneurship Strategy
  1. Sometimes, it's better to simplify your business model even if it means making less money. This can save you time and reduce stress.
  2. Instead of making custom offers for every client, create standard packages to streamline sales. This way, you spend less time on individual deals.
  3. Automating your sales process can help you focus on growth. With self-serve options, clients can buy directly from your website, which saves you effort.