The hottest Substack posts right now

according to Hacker News
Category

Endgame #1

The Dollar Endgame • 359 implied HN points • 26 Aug 23
💰 Finance Cryptocurrency Global Markets International Trade Economics Currency
  1. Argentina is facing a severe economic crisis with massive currency devaluation and high inflation, but there is hope for stabilization with proposed governmental changes and monetary reforms.
  2. China's property market is experiencing significant challenges, with key real estate firms facing default, worker payment issues, and the country slipping into deflation, raising concerns for a possible global recession.
  3. The BRICS alliance, particularly China and Russia, is strategizing to lessen dollar dominance by expanding membership and discussing possible alternatives, like involving major oil exporters and establishing a new reserve currency, amidst complexities and challenges in implementing such changes.

Risky Biz News: Canada's tax revenue agency tries to ToS itself out of hacking liability

Risky Business News • 359 HN points • 08 Mar 23
🕹 Technology Vulnerabilities Hackers Malware Cybersecurity
  1. Canada Revenue Agency (CRA) updated its terms to avoid liability if personal information is stolen from their online service portal.
  2. There are concerns about CRA's basic web application security features being missing, despite their claims of taking all reasonable security steps.
  3. The offloading of responsibility by CRA through a benign Terms of Service update is harmful, especially considering the sensitive data they hold.

Data Science Weekly - Issue 513

Data Science Weekly Newsletter • 359 implied HN points • 21 Sep 23
🕹 Technology Tech startups AI Data science Machine Learning Software Engineering
  1. There's a new newsletter focusing on AI safety in China, showing that the country is more invested in AI safety than many think.
  2. A podcast discusses how startups can run better AI models without needing to upgrade their hardware—a big challenge in the field.
  3. An online event is coming up for those looking to secure data science jobs in big tech, focusing on interview strategies and market insights.

¥144 Is Weakest Since Last November

Japan Economy Watch • 359 implied HN points • 23 Jun 23
💰 Finance Interest Rates Economy Currency Inflation
  1. The weakening of the yen is closely tied to the gap between Japanese and American 10-year government bond rates, with a 97% correlation.
  2. Investors are learning to trust the statements of central banks like the BOJ and US Fed more, impacting market behavior and currency values.
  3. The chronic weakness of the yen reflects Japan's loss of competitiveness, leading to a trade deficit, higher consumer prices, and lower real wages.

Machine learning interpretability from first principles

Mindful Modeler • 359 implied HN points • 26 Sep 23
🕹 Technology Models Machine Learning Methods Interpretability
  1. Machine learning models can be understood as mathematical functions that can be broken down into simpler parts
  2. Interpretation methods address the behavior of these simplified components to enhance model interpretability
  3. Techniques like Permutation Feature Importance (PFI), SHAP values, and Accumulated Local Effect Plots use decomposition to explain the importance of features in prediction models
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S06 - EP 01 --> Pirates in the Navy: How to build a 0-to-1 machine and bypass the bureaucracy

Product Hustle Stack Newsletter • 9 implied HN points • 02 Feb 26
💼 Business Product Leadership Operations Strategy Governance
  1. Make culture the foundation: hire fast-moving, problem-solving people who bypass bureaucracy. Seed that pirate mindset in ripples so it spreads beyond the core team.
  2. Give leaders the right signals, not busywork: report on risk velocity and create invisible governance so executives can spot and remove blind spots without micromanaging.
  3. Anchor decisions with simple rituals and a single currency: choose something like customer obsession and run repeatable rituals so the initiative becomes a predictable, scalable machine rather than a one-off effort.

Custom embedding models with small training dataset

TechTalks • 216 implied HN points • 08 Jan 24
🕹 Technology Models AI Technique Research
  1. Custom embedding models are important for certain applications to match user prompts to relevant documents.
  2. A new technique by Microsoft researchers simplifies the training process of embedding models, making it cost-effective.
  3. By using autoregressive models and avoiding expensive pre-training, companies can create custom embedding models efficiently.

Understand AI or die trying

Technically • 43 implied HN points • 04 Dec 25
🕹 Technology Machine Learning Software Data science Innovation AI
  1. Understanding how AI works is crucial to using it effectively. If you learn the basics, you can make AI a powerful tool instead of letting it take over your job.
  2. Many people use AI tools lazily and don’t take the time to understand how they work. This can lead to getting replaced if you’re not careful with your AI usage.
  3. There are resources available to help you learn about AI, and it's important to use them. The more you know, the better you can leverage AI in your work.

Call for Questions

Human Capitalist • 99 implied HN points • 07 May 24
🕹 Technology Artificial Intelligence Business Intelligence Job Market Data science
  1. There are a lot of unanswered questions about the workforce that data can help with. This could give businesses valuable insights into hiring trends and job market changes.
  2. A partnership with Seek.ai will allow people to ask real-time questions about workforce data. This means anyone can get important answers quickly, helping them make better decisions.
  3. The team is looking for creative questions to test their new analytics tool. People can submit their questions, and the most interesting ones will be selected for special insights.

Developing a New (Alan) Taylorism for the Remainder of the 21st Century

Brad DeLong's Grasping Reality • 238 implied HN points • 31 May 25
💰 Finance Macroeconomics Interest Rates Globalization Inflation Political Economy
  1. We need to learn from past economic crises so we can prepare for future shocks. They often have long-lasting effects on our economy, making recovery much harder.
  2. Controlling inflation is key for political stability. When inflation is low and stable, people trust their leaders and feel secure about the economy.
  3. Even with challenges, like low interest rates, we have a great chance for investment in things like infrastructure and education. We should take advantage of these conditions to grow.

Why 3 US banks collapsed in 1 week: Economist Michael Hudson explains

Geopolitical Economy Report • 358 implied HN points • 15 Mar 23
💰 Finance Derivatives Banking Regulation Interest Rates
  1. Economist Michael Hudson discussed the collapse of US banks, noting similarities to the 2008 financial crisis and the reliance on government bailouts.
  2. The Federal Reserve's handling of interest rates and bailouts in response to bank collapses indicates systemic issues in the financial sector.
  3. Derivatives, specifically highly leveraged bets, are looming as a significant risk for the banking sector and could trigger the next big crash.

The Algorithmic Bridge in 2024

The Algorithmic Bridge • 520 implied HN points • 30 Dec 24
🕹 Technology Writing Digital Trends News Coverage Content creation AI
  1. Balancing speed and quality is important. Sometimes it's better to be fast, and other times it's key to focus on a well-made piece.
  2. It's easy to write for your audience and lose sight of your own interests. Keeping true to your curiosity helps keep your writing authentic.
  3. Instead of stressing about subscriber numbers, focus on consistent writing. Let yourself write freely without worrying about stats.

How to lead projects from start to finish as a software engineer

High Growth Engineer • 1285 implied HN points • 10 Mar 24
🕹 Technology Project management Communication Documentation Software Engineering Leadership
  1. Successful software engineers need to know how to lead projects, not just code
  2. Key project management steps include kickoff, setup, planning, execution, launch, and close-out
  3. Communication, alignment on goals, and iterative feedback are crucial throughout the project lifecycle

[2025–2026] Week 10: Warren Buffett: Berkshire Hathaway Years

Behavioral Value Investor • 37 implied HN points • 12 Dec 25
💰 Finance Value investing Investment strategy Portfolio Management Capital allocation Corporate Governance Behavioral Finance
  1. He started as a Graham-style deep-value investor but often acted like an activist, pushing management or catalysts to realize hidden value.
  2. Over time he moved toward buying high-quality businesses and whole companies, placing more weight on management, qualitative insights, and long-term compounding than on pure quantitative bargains.
  3. Comparing his partnership years to his Berkshire years highlights practical questions to answer: what to copy or avoid, which investments were best or worst, and how his approach would adapt to different capital sizes and situations.

Weekly Dose of Optimism #151

Not Boring by Packy McCormick • 189 implied HN points • 04 Jul 25
🕹 Technology Biotechnology Software Energy AI Aerospace
  1. Hermeus is making waves in aviation by speeding up aircraft development, aiming to make travel faster and improve social and economic growth in America. They're pushing for supersonic travel to bring the excitement back to flying.
  2. The FAETON-I fusion device from Fuse Energy is a big step toward making fusion energy a reality, with some impressive outcomes that could change the future of energy production. This could lead to safer world and more available energy for everyone.
  3. Chai Discovery's new AI model, Chai-2, is revolutionizing how antibodies are designed, making the process faster and more efficient. This advancement could lead to better treatments for diseases much quicker than before.

DeepSeek's "Ingenuous" Marketing Strategy

Enterprise AI Trends • 464 implied HN points • 23 Jan 25
🕹 Technology Data Privacy Marketing Competitive Analysis Consumer apps AI
  1. DeepSeek offers a cheaper alternative to OpenAI's services, potentially attracting many developers and startups looking to cut costs.
  2. The company positions itself as an 'open source' option, fostering grassroots support and tapping into a competitive narrative against more established players like OpenAI.
  3. There's a concern over data privacy, as using DeepSeek's services might mean sharing sensitive information, similar to the issues raised with apps like TikTok.

Seeing Beyond The Hype Of That One Neurotech Startup

NEUROTECH FUTURES • 119 implied HN points • 25 Mar 24
🕹 Technology Neurotech Innovation Regulation Global Health
  1. Patient advocates are crucial in guiding advancements in brain-computer interface technology towards impacting those with physical impairments.
  2. Drawing parallels with established markets like Deep Brain Stimulation can offer insights into the future of BCI companies' commercial and regulatory pathways.
  3. Understanding the global landscape of BCI technology involves examining regulations, national interests, and technological advancements in different countries.

Better Data Science: How To Design Visualizations that Work

Data at Depth • 79 implied HN points • 05 May 24
🕹 Technology Design principles Data science Visualization Accessibility Aesthetics
  1. Start with defining the function you want the audience to perform with the presented data before creating visualizations that support it
  2. Implement aspects like affordances, accessibility, and aesthetics to ensure your visualizations are clear, usable, and visually appealing for the audience
  3. Achieving acceptance of your data visualization involves following established design principles like direct labeling, thoughtful use of color, alignment, and the data-ink principle

Data Science Weekly - Issue 537

Data Science Weekly Newsletter • 139 implied HN points • 07 Mar 24
🕹 Technology Data Engineering Data Visualization Machine Learning AI Data science
  1. The newsletter shares valuable links about Data Science, AI, and Machine Learning each week. It's a great way to keep updated on the latest in the field.
  2. There are interesting articles highlighting statistical analyses and practical guides, like building GPU clusters at home. These resources help both beginners and experienced practitioners learn more.
  3. The newsletter also encourages people to participate in AI-related events and offers resources for job seekers. This can help you connect with others and grow your career.

1.1 Calculation Versus Understanding: Why Care?

Fields & Energy • 319 implied HN points • 01 Nov 23
📖 Philosophy Epistemology Ethics Metaphysics Causality Political theory
  1. Understanding is important, not just getting the right answers. If we want to make sense of our world and society, we need deeper insights and not just calculations.
  2. Ideas about causality and certainty have changed over time. What was once thought to be clear cut, like Newton's laws, has become more complicated with concepts like quantum mechanics.
  3. Political philosophy can be impacted by scientific ideas. If we believe everything is contradictory, it may affect how we think about power and society, sometimes leading to a focus on who holds power rather than what is right or wrong.

Effectiveness is Signal minus Noise

A Bit Gamey • 20 implied HN points • 11 Jan 26
💼 Business Decision-making Organizational Design Productivity Management Strategy Leadership
  1. Effectiveness comes from identifying the few things that truly matter and subtracting everything that interferes with them.
  2. Noise is socially acceptable — it feels like progress because it produces meetings, frameworks and consensus, but it quietly drains momentum and attention.
  3. Real focus means saying no and cancelling projects even when it’s uncomfortable; ask what the signal is, what’s interfering, and what would happen if you removed that interference.

Data Update 2 for 2023: A Rocky Year for Equities

Musings on Markets • 839 implied HN points • 22 Jan 23
💰 Finance Investment Risk Portfolio Management Economic Trends Stock Market Market Analysis
  1. 2022 was a tough year for stocks, with the S&P 500 dropping about 18%. Negative years are common in the stock market, reminding us that investing carries risks.
  2. Inflation was a major factor in the market's decline, impacting returns on stocks. Higher costs of living affected investors' expectations and how companies performed.
  3. Looking forward to 2023, expected returns on stocks are higher, around 9.82%. However, market conditions can change, making it important for investors to stay informed and adjust their strategies.

Further improvements to the landing page

André Casal's Substack • 19 implied HN points • 30 Jul 24
💼 Business Marketing User Experience Product Development Entrepreneurship Customer Feedback
  1. Improving the landing page is important based on user feedback. It's a continuous process to get high ratings through various updates.
  2. Using tools like Sentry helps in monitoring performance and collecting user feedback. This makes it easier to identify and fix issues.
  3. Conducting customer interviews is valuable for understanding user needs. The insights gained can guide product development and marketing strategies.

Solving the Social Dilemma: Many Paths to Social Media Reform

After Babel • 1610 implied HN points • 28 Nov 23
🕹 Technology Social media Youth Mental Health Policy Solutions
  1. Laws are crucial for solving collective action problems like those caused by social media companies exploiting users.
  2. Historical examples show that coordinated efforts from various groups can solve complex issues like worker safety in factories.
  3. Proposed social media reforms include content-based, age-gating, and design-based solutions to address harms, aiming for a more humane tech future.

Clouded Judgement 12.12.25 - Long Live Systems of Record

Clouded Judgement • 38 implied HN points • 12 Dec 25
🕹 Technology Cloud Infrastructure Data Governance AI agents Data Platforms Enterprise Software
  1. Systems of record aren’t going away—businesses still need a single, reliable source of truth, which will increasingly live across warehouses, lakehouses, and operational systems paired with semantic layers and control planes.
  2. AI agents span many systems and act on data, so they need explicit metric definitions, precedence rules, and conflict-resolution encoded where the truth lives, not left to human judgment.
  3. Operational apps will shift into programmatic state machines with APIs, and the winners will be the products that provide durable truth, governance, and safe agent orchestration rather than just new UIs.

Data Science Weekly - Issue 517

Data Science Weekly Newsletter • 339 implied HN points • 19 Oct 23
🕹 Technology Data science Engineering Data Visualization Machine Learning AI
  1. Data science, AI, and ML are rapidly evolving fields, with new technologies and techniques emerging frequently. Staying updated through news and articles can help professionals keep their skills relevant.
  2. Fine-tuning large language models (LLMs) is a growing demand in the job market. Many companies are now looking for experience with LLMs alongside traditional skills like Python and SQL.
  3. Understanding different data visualization goals, like storytelling versus exploration, is important for effectively communicating data insights. This can improve how data is presented in reports and analyses.

What New AI Operating Systems Mean for Work

Workforce Futurist by Andy Spence • 439 implied HN points • 05 Feb 25
🕹 Technology AI Future Business Automation Work
  1. AI could change how we use computers by making them more conversational and task-oriented. Instead of using separate apps, we might just tell the computer what we need and it could do it for us.
  2. In the future, businesses might run on AI Operating Systems that can automate many processes, making everything more efficient. These systems could help manage resources, predict customer needs, and adapt quickly to changes.
  3. The role of human workers will likely evolve into 'SuperOperators' who work closely with AI. Instead of completely replacing jobs, AI might help us become more skilled at decision-making and creative problem-solving.

SIEM 4.0: The Essentialist Evolution

Detection at Scale • 59 implied HN points • 28 May 24
🕹 Technology Security AI Data Software Engineering Automation
  1. Security teams are moving towards prioritizing impactful MITRE tactics over complete ATT&CK coverage to reduce distracting alerts and focus on critical threats.
  2. Transitioning from individual behaviors to risk-based alerts allows for a more context-based approach, reducing alert volumes and enhancing significance.
  3. The evolution to SIEM 4.0 includes opening up data lakes, adopting 'as code' principles, and utilizing AI to automate routine tasks so human analysts can focus on high-value work.

Resilient Cyber Newsletter #2

Resilient Cyber • 39 implied HN points • 25 Jun 24
🕹 Technology Risk management Vulnerability Management Cybersecurity AI Cloud Security
  1. Companies need to be careful about how much they share regarding their cyber insurance. Revealing this information might make them targets for attackers.
  2. The role of a CISO is changing and becoming more business-focused. Many believe they should focus on leadership rather than just technical tasks.
  3. AI can help improve cybersecurity, but there are also concerns about its use by attackers. It's important to explore how AI can enhance our defenses.

The Bear Cave #248

The Bear Cave • 583 implied HN points • 17 Nov 24
💼 Business Corporate strategy Business Ethics Finance Investing Market Analysis
  1. Culper Research claims Zeta Global Holdings is involved in shady practices, including false data and deceptive websites to gather consumer information. They think Zeta's stock price is too high and expect it to drop soon.
  2. There have been several high-profile resignations among executives in various companies, highlighting instability in leadership. It's concerning when CFOs and CEOs leave, especially in such quick succession.
  3. Recent reports have raised concerns about financial discrepancies in VusionGroup, which may indicate larger issues within the company. The connection with a major Chinese partner raises further questions about its operations.

Reflections on Four Years at Notion

startupdiaries • 354 implied HN points • 02 Aug 23
💼 Business Startups Personal Growth Leadership
  1. Find what keeps you hungry: Hunger and drive were crucial in navigating the world, from childhood struggles to succeeding at startups like Notion.
  2. Adaptability wins: The ability to reinvent value and adapt amid constant change, especially in hyper-growth environments, is key to success as an early startup employee.
  3. Ultimately, look inwards: The soul and warmth of a company like Notion stem from its vision, courage to be different, and ambition, all nurtured from within.

GroupBy #37: Composable data management at Meta, How Uber Accomplishes Job Counting At Scale

VuTrinh. • 59 implied HN points • 28 May 24
🕹 Technology Data Engineering Data processing Cloud Computing Open Source Software Development
  1. When learning something new, it's good to start by asking yourself why you want to learn it. This helps set clear goals and expectations.
  2. Focusing on one topic at a time can make learning easier. Instead of spreading your time thin, dive deep into one subject.
  3. It's okay to feel stuck sometimes while learning. Just keep pushing through, relax, and remember that learning is a journey that takes time.