The hottest Substack posts right now

according to Hacker News
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China Replaces Japan As Top Auto Exporter in Jan-June 2023

Japan Economy Watch • 199 implied HN points • 03 Aug 23
💼 Business Exports Market Share Electric Vehicles Automotive Manufacturing
  1. China has replaced Japan as the top auto exporter in the first half of 2023, showcasing an increase in auto exports and a decline in Japanese global auto production share.
  2. The importance of auto exports for the Japanese economy is significant, with implications for manufacturing shipments, capital investment, and employment.
  3. The rise of Chinese automakers and their shift towards upscale markets like Europe and Southeast Asia pose challenges to Japanese automakers, especially in markets where Japanese brands traditionally dominated.

What Google's Leaked Letter tells us about the AI Landscape [Finance Fridays]

Technology Made Simple • 199 implied HN points • 06 May 23
🕹 Technology Language Models AI Finance Big Tech Open Source
  1. Open source in AI is successful due to its free nature, promoting quick scaling and diverse contributions.
  2. The rigid hiring practices and systems in Big Tech can stifle innovation by filtering out non-conformists.
  3. The leaked letter questions the value of restrictive models in a landscape where free alternatives are comparable in quality.

Interpreting Machine Learning Models With SHAP is published 🥳

Mindful Modeler • 199 implied HN points • 01 Aug 23
🕹 Technology Machine Learning Podcasts Interpretability Python Books
  1. SHAP can explain individual predictions and provide interpretations of average model behavior for any model type and data format.
  2. There's a need for a comprehensive guide like the book to navigate the evolving SHAP ecosystem with updated information and practical examples.
  3. The book dives into the theory, application, and various estimation methods of SHAP values, offering a one-stop resource for mastering machine learning model interpretability.

Security is Not an SBOM Problem

Security Is • 39 implied HN points • 15 May 24
🕹 Technology Cybersecurity Software Development Vulnerability Management Information Security
  1. A Software Bill of Materials (SBOM) lists all the components in software, which can help in understanding security risks but isn't a magic fix for vulnerabilities.
  2. The real issue with fixing vulnerabilities isn't about having information; it's about how hard and complicated it is to apply patches to software.
  3. While SBOMs are getting a lot of hype, they mostly offer a new format for existing information and may not change how organizations manage security vulnerabilities.

I spent 5 hours learning how ClickHouse built their internal data warehouse.

VuTrinh. • 1 HN point • 21 Sep 24
🕹 Technology Data Engineering Data Warehousing Database Management Cloud Computing
  1. ClickHouse built its internal data warehouse to better understand customer usage and improve its services. They collected data from multiple sources to gain valuable insights.
  2. They use tools like Airflow for scheduling and Superset for data visualization, making their data processing efficient. This setup allows them to handle large volumes of data daily.
  3. Over time, ClickHouse evolved its system by adding dbt for data transformation and improving user experiences with better SQL query tools. They also incorporated real-time data to enhance their reporting.
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Video of My Talk and Q&A on Japan Zoominar

Japan Economy Watch • 99 implied HN points • 05 Feb 24
🌐 International Dialogue Economy Japan Author Book launch
  1. Richard Katz participated in a lively dialogue about his new book on Japan's economic future during the Japan Zoominar.
  2. Questions from the audience were diverse and engaging, sparking interesting discussions.
  3. Katz will provide answers to more audience questions in a future post and will speak at the Tokyo campus of Temple University on Feb. 8th.

What's Holding DeFi Back From Mass Adoption

DeFi Education • 939 implied HN points • 10 May 22
🔮 Crypto Blockchain DeFi Regulation Investment Financial Systems
  1. DeFi is too complicated for many people. Setting up wallets and understanding terms like 'yield farming' can be overwhelming.
  2. There’s a perception problem with DeFi, as some see it as risky and full of scams. Building trustworthy and useful projects can help improve this image.
  3. Many institutions are hesitant to adopt DeFi without clear regulations. They want to know how regulators will treat their activities in this space.

Introducing AXP in Homeland!

The Lunacian • 736 implied HN points • 28 Feb 24
🕹 Technology Ecosystem Gameplay Metaverse Gaming NFT
  1. Earn Axie Experience Points (AXP) in Homeland to enable axie evolution and dynamic NFTs by engaging in various activities like gathering, producing, crafting, constructing, upgrading, combining, and dismantling materials.
  2. There is a daily cap of earning up to 10,000 AXP per axie in Homeland, with the reset happening every 24 hours at 00:00 UTC.
  3. Assign your NFT axies to your land plots in Homeland to start earning AXP, and remember that the AXP earned is specific to each axie.

Defending CI/CD Environments - The NSA/CISA Way

Resilient Cyber • 299 implied HN points • 29 Jun 23
🕹 Technology DevOps Cybersecurity Information Security Cloud Computing Software Development
  1. CI/CD environments are crucial for the development and delivery of software, but they can also be targeted by hackers. It's important to secure these systems to prevent attacks.
  2. The NSA and CISA have released guidelines that offer best practices for protecting CI/CD pipelines. Using existing frameworks and tools can help improve security effectively.
  3. Transitioning to a Zero Trust model is recommended to enhance security in software development. This approach minimizes risks by ensuring that all access is restricted and monitored.

Part 1: AI Use Among UX Professionals

UX Psychology • 198 implied HN points • 17 Aug 23
🕹 Technology UX AI Ethics Data Analysis Tools
  1. Artificial Intelligence is significantly impacting User Experience (UX) by providing new tools and methods for research and design.
  2. UX professionals have varying levels of AI knowledge and usage, with concerns including potential errors, biases, and job security.
  3. Even though many UX professionals are incorporating AI into their work, there is still caution and a desire to ensure responsible AI use and human augmentation.

Deepfake Personas in UX

UX Psychology • 198 implied HN points • 06 Jul 23
🕹 Technology UX AI Deepfake Multimedia User Experience
  1. Traditional personas are being enhanced with deepfake technology to create more dynamic representations of end-users.
  2. A study compared deepfake personas with classic and narrative personas in terms of empathy, credibility, and more, showing that deepfakes were perceived less favorably due to the uncanny valley effect.
  3. While deepfake personas are not yet widely accepted in UX, there is a small group of users who see potential value in them, hinting at possible scenarios where they might be beneficial.

WILL's 2025 Year End Recap

The Carousel • 16 implied HN points • 23 Dec 25
💼 Business Partnerships Events Advertising Marketing Branding Creative Agencies
  1. WILL capped 2025 with a bold new website and a string of creative client projects across defense, cybersecurity, healthcare, conservation, and publishing.
  2. They pushed beyond digital work into real-world events and collaborations to build relationships and cultural influence, including workshops and partnerships with groups like the Delphica Society.
  3. The agency is focused on scaling in 2026 and is actively seeking new clients, partners, and ambitious projects at any stage of development.

Perennial Problems, Projects & Philosophies - Part 3

Weekly Wisdom • 198 implied HN points • 18 May 23
📖 Philosophy Existentialism Meaning of life Human flourishing Psychology
  1. The evolution of psychology is deeply intertwined with philosophy, with early psychologists being philosophers themselves.
  2. Western existentialist ideas on existence's meaninglessness and Eastern concepts like shunyata converge, yet offer different conclusions.
  3. The field of psychology has transitioned from studying dysfunction to focusing on well-being and flourishing, emphasizing the importance of a meaningful and intentional life.

Everything New Has Bugs

Fish Food for Thought • 23 implied HN points • 03 Dec 25
🕹 Technology Product Management DevOps Quality Assurance Continuous Delivery Engineering Management Software Engineering
  1. When you speed up releases or adopt new systems, bugs and incidents will usually rise at first — it’s a natural tradeoff between velocity and stability.
  2. Give teams slack and real ownership so they can fix problems, learn, and improve quality instead of just reacting to fires.
  3. Invest in supporting systems and feedback loops like CI/CD, observability, error budgets, and postmortems so you can absorb turbulence and restore quality faster.

Destroying the World is a Difficult Problem

Maximum Effort, Minimum Reward • 255 implied HN points • 23 Jan 25
🕹 Technology Philosophy AI Science Engineering Ethics
  1. There's a big difference between theorists and experimentalists in science. Theorists think a lot about ideas, while experimentalists deal with the real-world messiness of experiments.
  2. Many fears about AI being super dangerous come from theorists who underestimate the practical challenges. Even super smart AIs will face real-life problems that slow them down.
  3. Destroying the world is actually hard and takes time. Even if an AI is super intelligent, making big changes in reality is complicated and can't happen instantly.

Download Any Skill with AI: How to Turn One Idea into 1,000 Media Formats Instantly

Crypto Good • 3 implied HN points • 20 Feb 26
🕹 Technology Productivity AI Content creation Multimedia Workflows Creative Tools
  1. AI removes traditional skill barriers and lets anyone instantly ‘download’ abilities like writing, visuals, audio, and music with a click.
  2. Turning one idea into many formats—video, podcast, song, comic, infographic—reaches different learning styles and a much larger audience.
  3. Simple AI workflows and chatbots let you create high-quality, multi-format content fast, often in minutes, without writing every word yourself.

RDEL #24: How does technical debt impact software engineering morale?

Research-Driven Engineering Leadership • 119 implied HN points • 08 Jan 24
🕹 Technology Research Software Engineering Technical Debt Productivity Engineering Leadership
  1. Technical debt negatively impacts developers' morale by reducing their confidence and hindering their progress
  2. Proper management of technical debt can have a positive influence on developers' morale as it is associated with progress and gratitude
  3. Dealing with technical debt thoughtfully and having a plan to repay it frequently can help minimize its negative impacts on engineering teams

Learning, forgetting, and the NYT lawsuit

The Counterfactual • 119 implied HN points • 08 Jan 24
🕹 Technology Language Models Learning Theory Data Privacy Copyright Issues Artificial Intelligence
  1. Learning involves forgetting some details to form general ideas. This means that to truly learn, we often need to overlook specific differences.
  2. Large Language Models (LLMs) can memorize details from the data they are trained on, which raises concerns about copyright issues and how much they reproduce existing content.
  3. Finding a way to make LLMs forget specific details from training data, while still keeping their language abilities, is challenging and may require new techniques.

Data Science Weekly - Issue 490

Data Science Weekly Newsletter • 379 implied HN points • 13 Apr 23
🕹 Technology Data science Software Development Data Engineering Artificial Intelligence Machine Learning
  1. Data science is evolving quickly, and many new tools and techniques are being developed. This opens up exciting job opportunities in various fields like AI and machine learning.
  2. Using programming languages like R and SQL can extend beyond traditional data analysis. They can be powerful tools for creative applications in data science.
  3. Learning and implementing good practices in software development, such as automating tests and improving code efficiency, can save time and resources in data science projects.

Why Parker Conrad’s Contrarian Playbook on SaaS & AI Is a Blueprint for Repeat Founder Success

Day Zero: Always Learning • 85 implied HN points • 30 Jul 25
💼 Business Startups Market Trends SaaS AI Technology Entrepreneurship
  1. Replacing operations with AI isn't easy. It's better to automate from the start than try to fix things later when they get messy.
  2. Successful software should be a suite of apps that work well together, not just a bunch of individual tools. This approach builds more power in enterprise software.
  3. AI isn't making engineering work faster yet. Companies still need many engineers because the actual improvements haven't been seen.

A Guide on Computer Architecture

Irrational Analysis • 99 implied HN points • 04 Feb 24
🕹 Technology CPU Semiconductor GPU
  1. CPUs are versatile and efficient in running various types of code, particularly excelling in handling "branchy" code with features like branch prediction, out-of-order execution, and speculative execution.
  2. GPUs are specialized for linear algebra tasks, such as those found in graphics processing, and though not as versatile as CPUs, they excel in speed and energy efficiency.
  3. ASICs are application-specific integrated circuits designed for particular functions, showcasing tasks like video encoding/decoding and cryptography with dedicated hardware blocks for efficient processing.

Strong Code Ownership

Rethinking Software • 299 implied HN points • 07 Dec 24
🕹 Technology Collaboration Productivity Agile methodologies Software Development
  1. Strong code ownership means a specific developer is responsible for certain sections of code, which helps improve quality and pride in their work.
  2. Just like in the story from Xiaogang, allowing ownership in software can motivate developers and increase productivity.
  3. Some teams might mix strong and collective code ownership to accommodate different personalities and work styles, benefiting everyone involved.

Should regulated utilities be prevented from owning EV charging assets?

Knowledge Problem • 196 implied HN points • 23 Feb 23
💼 Business Innovation Competition Regulation Utilities Infrastructure
  1. The default presumption should be to quarantine the monopoly in regulated utilities owning EV charging assets to prevent anti-competitive practices.
  2. Regulated utilities entering competitive EV charging markets may have unfair advantages by leveraging their regulated status.
  3. Allowing regulated utilities to own EV charging assets could stifle innovation and competition in the market compared to independent firms.

Why I cover A.I. the way I do, good obscure action movies, and other questions from readers

Read Max • 869 implied HN points • 08 Dec 23
🕹 Technology Movies Web Social media Internet culture AI
  1. Media coverage decisions are driven by various factors like newsworthiness, commercial concerns, and career advancement.
  2. Authentic relationships between humans and bots in the future are uncertain but can be influenced by societal perceptions and control.
  3. Exploring lesser-known direct-to-video action movies and foreign films can provide new excitement for fans of the genre.

What's the actual point of cNFTs?

The Superteam Blog • 117 implied HN points • 10 Jan 24
🕹 Technology Cryptocurrency Web3 NFTs Digital Assets Blockchain
  1. NFTs have evolved into compressed NFTs (cNFTs) on Solana, enabling cheaper enterprise activities and efficient organization.
  2. cNFTs on Solana allow for easy scaling of content creation, with the ability to mint up to 1 million NFTs cost-effectively.
  3. cNFT tooling platforms like TipLink and Underdog Protocol are simplifying the frictionless minting and distribution of compressed NFTs within the Solana ecosystem.

Expansion hack: Industrial Spy — Operation Espionage (Dreamcast)

Rings of Saturn • 87 implied HN points • 02 Aug 25
🕹 Technology Game design Video Games Debugging Reverse Engineering Software Development
  1. Industrial Spy: Operation Espionage is a Dreamcast game that has an exciting debug menu. This menu can be accessed through a patch that reveals hidden game features.
  2. The debug menu includes options like a Sound Test, a 3D model viewer, and even a secret mini-game that resembles Breakout. It's a cool way to explore the game further.
  3. The game has a function that allows players to skip to different missions by altering a specific debug flag, making it easier to experience parts of the game without starting over.

Economics Links, 2/10/2025

In My Tribe • 227 implied HN points • 10 Feb 25
💼 Business Trade Policy Entrepreneurship AI Economics
  1. Phil Gramm and Larry Summers believe that tariffs harm economic growth and could lead to trade wars. They recommend against implementing broad tariffs.
  2. Aswath Damodaran discusses how the entry of DeepSeek could change the AI landscape, creating both low-cost alternatives and maintaining a premium market for AI.
  3. Magatte Wade argues that Africa's poverty is largely due to over-regulation and difficult business conditions, making it hard to trade and grow economically.