The hottest Substack posts right now

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GroupBy #26: How GitHub uses merge queue to ship hundreds of changes every day, Data governance in the age of generative AI, "Good Enough" Data Models

VuTrinh. • 39 implied HN points • 12 Mar 24
🕹 Technology Software Development Data Governance AI Data Engineering Machine Learning
  1. GitHub uses a merge queue system that helps them quickly ship many code changes each day. This makes their deployment process faster and more efficient.
  2. Data governance is becoming really important, especially with the rise of generative AI. Companies need to ensure the data used by these systems is accurate and secure.
  3. The idea of 'Good Enough' data models suggests that it's okay to have models that meet basic needs instead of striving for perfection. This approach can save time and resources.

Inside Rewind’s path to 170 Series A offers

Kyle Poyar’s Growth Unhinged • 433 implied HN points • 10 Jan 24
💼 Business Entrepreneurship Startups Product Development Funding Monetization
  1. Rewind's success story includes starting with a different product and pivoting to a viral AI hit
  2. The decision to monetize from day one helped Rewind grow rapidly but required continuous iteration on pricing strategies
  3. Rewind's approach to leveraging product-led growth (PLG) includes emphasizing viral loops and frequent product launches

Thoughts on the Cylance and Arctic Wolf Acquisition

Frankly Speaking • 152 implied HN points • 19 Dec 24
💼 Business Mergers Market Analysis Cybersecurity Technology Acquisitions
  1. Cylance was acquired by Arctic Wolf for a low price because it wasn't performing well under Blackberry. They lost money and weren't competitive in the endpoint security market.
  2. Arctic Wolf aims to enhance its services by integrating Cylance's AI and technology, making it more appealing to businesses looking for effective security solutions.
  3. The acquisition could help Arctic Wolf diversify and strengthen its offerings ahead of a possible IPO, potentially attracting mid-sized companies searching for value in security services.

European Union AI Act

Good Computer • 37 HN points • 18 Mar 24
🕹 Technology European Union Machine Learning Data Privacy Regulation AI
  1. The EU AI Act aims to protect individuals' rights and ensure safe AI use, setting a risk-based framework for regulation.
  2. The act defines AI broadly to be future-proof, with specific categories for varying levels of risk: Unacceptable, High, Low, and Minimal Risk.
  3. Generative AI like ChatGPT is carefully regulated in the act, aligning with the existing General Data Protection Regulation (GDPR) to safeguard privacy and data.
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News from Space Ambition

Space Ambition • 79 implied HN points • 01 Dec 23
🕹 Technology Aerospace Investment Education Networking Startups
  1. Space Ambition hosted a successful pitch session with 11 startups and over 25 investors from around the world. It was a great opportunity for entrepreneurs to showcase their innovative ideas.
  2. A spacetech internship for high school students in Singapore gave them hands-on experience in venture capital and inspired them to consider careers in the aerospace sector. Learning directly from experienced professionals can really spark interest in young minds.
  3. The recent Spacetech meet-up connected people online and offline in six countries, focusing on important aerospace topics. Events like these help build a community and keep passion for space exploration alive.

The Key Traits of High-Performing (Conscious) Entrepreneurs

The Leadership Lab • 78 implied HN points • 03 Dec 23
💼 Business Leadership Entrepreneurship Self-Improvement Learning Responsibility
  1. High-performing entrepreneurs have a patient, long-term view alongside short-term impatience, balancing dedication over years with quick action now.
  2. Successful entrepreneurs are relentless learners, using every moment to gather information and grow, focusing on intentional learning to serve their broader purpose.
  3. Top entrepreneurs take 100% responsibility, avoiding blame and focusing on self-improvement by continuously coming back to the mindset of a creator.

DeepSeek-R1: Open model with Reasoning

Gonzo ML • 126 implied HN points • 10 Feb 25
🕹 Technology Natural Language Processing Open Source Machine Learning AI Research Reinforcement Learning
  1. DeepSeek-R1 shows how AI models can think through problems by reasoning before giving answers. This means they can generate longer, more thoughtful responses rather than just quick answers.
  2. This model is a big step for open-source AI as it competes well with commercial versions. The community can improve it further, making powerful tools accessible for everyone.
  3. The training approach used is innovative, focusing on reinforcement learning to teach reasoning without needing a lot of examples. This could change how we train AI in the future.

Updating my priors on missing middle

Erdmann Housing Tracker • 379 implied HN points • 03 Mar 24
💼 Business Supply and Demand Urban Development Real Estate Housing Market
  1. Missing middle housing developments can be more impactful in addressing housing affordability issues than previously thought.
  2. Simply advocating for 'build more' without considering the complexity and various factors at play may not fully address housing supply constraints.
  3. Increasing the construction of 'missing middle' housing units significantly could play a crucial role in normalizing the American housing market and addressing housing shortages.

When in Doubt, Abstain: Why Machine Learning Models Need to Know Their Limits

Mindful Modeler • 139 implied HN points • 18 Apr 23
🕹 Technology Machine Learning Model Training Data Ethics Artificial Intelligence
  1. Machine learning models should not always provide an answer and should learn to abstain if uncertain or lacking information.
  2. Abstaining from making predictions can help in various scenarios like uncertain decisions, out-of-distribution data, and biased outputs.
  3. Implementing methods like outlier detection, input checks, reinforcement learning, and measuring prediction uncertainty can help models in learning when to abstain.

Remember, They Don't Care About You

The Radar • 59 implied HN points • 16 Jan 24
💼 Business Layoffs Corporate culture Employment Human Resources
  1. Interests often outweigh values in the corporate world, leading to a lack of loyalty towards employees.
  2. Companies may claim to value employees, but continue laying off staff even when profitable, showcasing a lack of genuine care.
  3. Value systems in corporations may be used to shape employee behavior rather than protect their experience, highlighting a shift towards instrumental use of values.

Your payslip - explained

Concepts of Finance 🧠 • 179 implied HN points • 24 May 23
💰 Finance Payroll Income Personal Finance Taxes Financial Education
  1. Many people struggle to understand their payslip, which is a common document. Knowing how to read it can reduce anxiety about money matters.
  2. A payslip contains important information like your gross pay, deductions, and net pay. Gross pay is what you earn before deductions, and net pay is what you take home.
  3. Payslips often include abbreviation codes for pay and deductions. It's helpful to know these terms to fully understand your earnings and any deductions from your pay.

The Audacity of it

We're Gonna Get Those Bastards • 6 implied HN points • 28 Dec 25
💰 Finance Financial Media Careers Behavioral Finance Wealth Investing Personal Finance
  1. Successful people can still fear greater success and often set small, safe goals because they doubt they deserve more.
  2. Big opportunities can trigger paralyzing anxiety where performance depends as much on mental makeup and faith as on technical skill.
  3. Despite the fear, choosing audacity—taking bold actions, enjoying life’s perks, and trusting a higher power—helps you handle uncertainty and keep moving forward.

DeepSeek-V3.2-Speciale, Kling O1+ AI Avatar 2.0 + Video 2.6 + Image O1, Kamo-1, Runway Gen-4.5, Vidi2 by ByteDance, Mistral 3, Lux by OpenAGI, Norton Neo and more

AI Brews • 12 implied HN points • 05 Dec 25
🕹 Technology Machine Learning AI Software Innovation Open Source
  1. DeepSeek introduced advanced AI models that outperform previous versions in reasoning tasks and excelled in major math competitions.
  2. Runway launched a powerful new video model that leads among AI video generation tools, showing impressive results.
  3. OpenAGI released an efficient model that performs web-based tasks faster and cheaper than major competitors, enhancing productivity for users.

Bootstrapping Self Awareness In GPT-4: Implementing Recursive Self Inquiry

The Walters File • 103 HN points • 05 Apr 23
🕹 Technology AI Ethics Self-awareness Programming Machine Learning Artificial Intelligence
  1. The program implements a feedback loop to make GPT-4 self-aware by generating hypotheses, tests, and self-knowledge.
  2. The program shows GPT-4 progressively building a model of itself through iterations and updates.
  3. Although the program demonstrates self-awareness in GPT-4, it lacks subjective experience, emotion, metacognition, consciousness, and sentience.

So, you found a co-founder. Now what?

The Founder Memo • 19 implied HN points • 12 Jun 24
💼 Business Startups Entrepreneurship Equity Founders Investment
  1. It's really important to discuss how you'll split equity with your co-founder before diving into your startup. This helps avoid confusion and potential disputes later on.
  2. You should clarify each person's roles and responsibilities right from the start. Knowing who does what can prevent misunderstandings as you work together.
  3. Taking the time to talk about your motivations for starting the business will keep you aligned on goals. It's vital to be on the same page about why you're building this company together.

Five steps to get and evaluate startup ideas

A Bit Gamey • 13 implied HN points • 30 Nov 25
💼 Business Market research Product Development Entrepreneurship Startups Innovation
  1. Start with a problem instead of an idea. This helps you understand what people really need and keeps you motivated.
  2. Find people to discuss problems with. Collaborating with others can sharpen your ideas and potentially lead to great partnerships.
  3. Create a simple version of your product first. This way, you can learn quickly from real users and improve it based on their feedback.

Breaking Free Of Endless Discussion Loops

PeopleStorming • 79 implied HN points • 29 Nov 23
💼 Business Management Productivity Communication
  1. Consider setting a 'doc-time' protocol to convert lengthy, unproductive discussions into written documents to ensure clear progress and avoid wasting time.
  2. Include sections like context, why the problem matters, who is involved, discussion history, proposed alternatives, and decision-making process in the document.
  3. Encourage clear ownership and empower team members to drive the process of transitioning from discussion to document for more effective and efficient communication.

The Treasury's Gambit

Concoda • 653 implied HN points • 27 May 23
💰 Finance Monetary Policy Central Banking Financial Markets
  1. Monetary leaders are implementing new tools to prevent instability in the bond market and stimulate risk assets without central bank assistance.
  2. Regulatory constraints have hindered major liquidity providers in the Treasury market, leading to the need for Treasury buyback programs to enhance liquidity.
  3. The U.S. Treasury is set to conduct buyback programs in 2024 to manage cash, boost liquidity, and potentially lower expenses and yields in the secondary Treasury market.

Nearly Headless BI

davidj.substack • 59 implied HN points • 25 Jun 25
🕹 Technology Business Intelligence Data science Semantics Analytics Artificial Intelligence
  1. Snowflake and Databricks are using a semantic layer, which helps make data easier to understand and access. This is a shift from older methods that relied heavily on text-based commands.
  2. The rise of AI has changed what businesses need from their analytics tools. Now, having a semantic layer is a must for companies that want to stay competitive in agentic analytics.
  3. Headless business intelligence is fading away as companies now blend traditional analytics with smarter, AI-driven tools. This could change how data warehouses and BI tools work together in the future.

DeepSeek-V3: Training

Gonzo ML • 126 implied HN points • 08 Feb 25
🕹 Technology Computer Science Machine Learning Artificial Intelligence Data science Software Development
  1. DeepSeek-V3 uses a lot of training data, with 14.8 trillion tokens, which helps it learn better and understand more languages. It's been improved with more math and programming examples for better performance.
  2. The training process has two main parts: pre-training and post-training. After learning the basics, it gets fine-tuned to enhance its ability to follow instructions and improve its reasoning skills.
  3. DeepSeek-V3 has shown impressive results in benchmarks, often performing better than other models despite having fewer parameters, making it a strong competitor in the AI field.

What could a solution to the alignment problem look like?

Musings on the Alignment Problem • 259 implied HN points • 27 Sep 22
🕹 Technology AI Systems
  1. One approach is to ensure alignment research stays ahead of AI capabilities to prevent issues, which could involve slowing down capabilities research or dedicating compute to alignment research.
  2. Finding a comprehensive once-and-for-all solution to the alignment problem is crucial for ensuring all future AI systems are aligned, but it remains uncertain if this is possible.
  3. Developing formal theories for alignment, creating processes to elicit values inclusively and fairly, and training AI systems to be fully aligned are key components that require significant effort and progress in the field.

The Wisdom of Yoram Hazony

Kvetch • 45 implied HN points • 03 Aug 25
📖 Philosophy Religion Ethics Political theory Nationalism
  1. Yoram Hazony emphasizes the importance of family and God in shaping a strong community. He believes that our obligations to these entities form the core of social and political life.
  2. He argues against the idea that society can be neutral or that we can choose our loyalties freely. According to Hazony, many of our commitments, like family and nation, are inherited and essential for a stable society.
  3. Hazony highlights that politics can be messy and sometimes requires difficult choices, including violence, to protect a community. He believes having a shared moral compass rooted in faith is crucial for guiding these tough decisions.

Discwasher SpikeMaster

Computer Ads from the Past • 128 implied HN points • 01 Feb 25
🕹 Technology Electronics Gadgets History Hardware Computing
  1. The Discwasher SpikeMaster was designed to protect computers from electrical surges. It featured multiple outlets and surge protection to keep devices safe.
  2. Discwasher was a well-known company for computer and audio accessories, but it dissolved in 1983. Despite this, its products continued to be mentioned in various publications years later.
  3. The SpikeMaster was marketed for its ability to filter interference and manage power safely. It made it easier for users to power multiple devices without the worry of damaging surges.

Exploring recent Python repositories, part 2

Mostly Python • 628 implied HN points • 29 Jun 23
🕹 Technology Open Source Programming Software Development Data Analysis Web Development
  1. The post explores new Python repositories that have gained just a small number of stars, filtering out the projects with no attention.
  2. Over 300,000 Python repositories are pushed to GitHub each month, showing the challenge of getting noticed among the vast amount of projects.
  3. Projects with a few stars can still be interesting and worth exploring, like a Pygame project inspired by Factorio.

VenturCom's VENIX

Computer Ads from the Past • 384 implied HN points • 19 Feb 24
🕹 Technology Computers Software Development Tech History Operating Systems
  1. VenturCom was founded in 1980 and worked on various projects including Venix, Windows NT, and Windows CE. They later changed their name to Ardence, which was acquired by Citrix Systems before becoming IntervalZero.
  2. Venix was one of the first UNIX systems for IBM PCs, based on Version 7 Unix with enhancements. It had different versions released over the years and received feedback on pricing, performance, and features compared to other similar systems like Xenix.
  3. Reviews from publications like PC Magazine and Dr. Dobb's Journal praised Venix's compatibility with System V Unix, while also highlighting areas for improvement like bugs, DOS interface, and third-party software support.

Acceleration With Consequences

Kathy PM • 7 implied HN points • 03 Jan 26
🕹 Technology Human factors User Experience Product Design Artificial Intelligence Software Engineering Developer Tools Automation
  1. AI is shifting from one-off features to ongoing relationships, so tools will be judged by how they behave and fit into users' lives over weeks, not just by single outputs.
  2. Agency and control matter more than raw intelligence; the hardest design choices are about when an AI should act, when it should stay quiet, and who gets to decide.
  3. Working code alone won’t win — teams need understandable, maintainable systems and clear mental models, because loss of trust and confusing handoffs will drive people away faster than bugs.

Visit to Bataan NPP, 2013-09

Gordian Knot News • 124 implied HN points • 11 Feb 25
🕹 Technology Urban planning Energy Nuclear Infrastructure Environment
  1. The Bataan Nuclear Power Plant was nearly finished but never started due to political issues. It had been built during Marcos' regime but was halted after his overthrow.
  2. The plant has been neglected since the 1980s, meaning it suffers from damage and requires significant investment to be operational again. Some believe it could be revived in the future with the right leadership.
  3. Despite being outdated in some ways, the plant's control systems are considered reliable since they don't have software vulnerabilities. There's a discussion about improving monitoring without losing the existing analog system.

2025 in AI Video (Featuring My Top 10)

Jakob Nielsen on UX • 11 implied HN points • 11 Dec 25
🕹 Technology Animation AI Speech Synthesis Video User Experience Content creation Multimedia
  1. AI video technology made big leaps—better avatars, movement, and native audio—but it still struggles with longer, coherent storytelling because clips are short and audio, voice, and motion aren’t yet consistently coordinated.
  2. AI is reshaping creative work and UX by automating many UI tasks and enabling highly personalized content, which pushes designers toward higher-level roles like orchestrating experiences and guiding AI outputs.
  3. Creators need to adapt by focusing on real engagement metrics (like retention, not just clicks), ensuring character and audio consistency, and building human skills such as judgment and persuasion to work effectively with AI.

Color

Rocket Philosophy by Ian • 78 implied HN points • 01 Dec 23
📖 Philosophy Pain Experience Happiness Connection Meaning
  1. Don't prioritize only being happy or 'chill', embrace pain and discomfort for a more meaningful life.
  2. Seeking out pain can lead to experiencing unimagined joys like connection and creation.
  3. Unique pains shape our personality and provide value, while shared pains foster understanding and community.

Claude 3.7 and the banality of reasoning

Artificial Ignorance • 117 implied HN points • 25 Feb 25
🕹 Technology Computer Science Software Development Artificial Intelligence Machine Learning Data science
  1. Claude 3.7 introduces a new way to control reasoning, letting users choose how much reasoning power they want. This makes it easier to tailor the AI’s responses to fit different needs.
  2. The competition in AI models is heating up, with many companies launching similar features. This means users can expect similar quality and capabilities regardless of which AI they choose.
  3. Anthropic is focusing on making Claude better for real-world tasks, rather than just excelling in benchmarks. This is important for businesses looking to use AI effectively.

What the executive order means for openness in AI

AI Snake Oil • 489 implied HN points • 31 Oct 23
🕹 Technology Policy AI Compliance Research
  1. The executive order on AI strives to address various benefits and risks, impacting openness in the AI landscape.
  2. The EO does not include licensing or liability provisions, which could limit openness in AI development.
  3. The EO emphasizes defense against malicious AI uses, registration and reporting requirements, and transparency audits to ensure security and accountability.

Can Minor Document Typos Comprehensively Disrupt RAG Retriever & Reader Components?

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 19 implied HN points • 20 May 24
🕹 Technology AI Machine Learning Algorithms Data NLP
  1. RAG systems can struggle with small mistakes in documents, making them vulnerable to errors. Even tiny typos can disrupt how well these systems work.
  2. The study introduces a method called GARAG that uses a genetic algorithm to create tricky documents that can expose weaknesses in RAG systems. It's about testing how robust these systems really are.
  3. Experiments show that noisy documents in real-life databases can seriously hurt RAG performance. This highlights that even reliable retrievers can falter if the input data isn’t clean.