The hottest Substack posts right now

according to Hacker News
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✋ Newsletter #38: Me Too

Women On Rails Newsletter - International Version • 19 implied HN points • 03 Nov 22
🕹 Technology Algorithms Data Visualization Ruby on Rails Software Development Web Development
  1. The newsletter discusses a case of justice served in a #MeToo context, emphasizing the importance of identifying and addressing abnormal situations in professional environments.
  2. The community encourages creating safe spaces, advocating for victims of sexual violence, and providing support for legal processes.
  3. Recommendations are offered for joining women-centered Ruby communities, along with resources for building sustainable digital products and insights on improving team workflows.

Get this newsletter free.

Technology Made Simple • 19 implied HN points • 05 Dec 22
🕹 Technology Social media News Personalities
  1. The author is offering a year of premium subscription for free to help people during challenging times like layoffs, inflation, and struggling economy.
  2. To get the newsletter for free, fill out a form with your email address and spread the word by sharing the post to help more people benefit from the offer.
  3. The author emphasizes the importance of spreading the word about the free premium subscription by liking, sharing, and engaging with the post on social media.

thinking about time horizons

Midnight Musings • 39 implied HN points • 03 Oct 22
📖 Philosophy Cultural critique Mental health Human nature
  1. Short-term thinking can lead to poor decision-making and bad predictions about the future. It's important to be aware of how the media and news might shape our understanding in a narrow way.
  2. People often feel pessimistic because they focus on immediate negative events instead of longer-term progress. Expanding our view can help us see the brighter side of things and be more hopeful about the future.
  3. Understanding human nature and historical perspectives can improve our ability to strategize and make decisions. Looking deeper into ancient wisdom might provide better insights than current trends.

📌 ML Engineering Event: Lineup for apply() 2024 is Now Live!

TheSequence • 42 implied HN points • 08 Mar 24
🕹 Technology ML AI Events
  1. The lineup for the apply() 2024 ML Engineering Event, featuring industry leaders from LangChain, Meta, and Visa, is now live.
  2. The agenda includes keynote sessions on LangChain, semi-supervised learning, and uplift modeling by experts from the respective fields.
  3. Attendees can look forward to gaining insights and actionable tips for mastering AI and ML at the event.

"Mechanistic interpretability" for LLMs, explained

The Counterfactual • 1 HN point • 08 Jul 24
🕹 Technology Machine Learning Computer Science Natural Language Processing Data science AI Research
  1. Mechanistic interpretability helps us understand how large language models (LLMs) like ChatGPT work, breaking down their 'black box' nature. This understanding is important because we need to predict and control their behavior.
  2. Different research methods, like classifier probes and activation patching, are used to explore how components in LLMs contribute to their predictions. These techniques help researchers pinpoint which parts of the model are responsible for specific tasks.
  3. There's a growing interest in this field, as researchers believe that knowing more about LLMs can lead to safer and more effective AI systems. Understanding how they work can help prevent issues like bias and deception.
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E9 - Ethical Considerations and Responsible AI in Product Management

The Product Channel By Sid Saladi • 16 implied HN points • 12 Jan 25
🕹 Technology Innovation Product Management AI Ethics Data Privacy
  1. Responsible AI means making sure technology is fair and safe for everyone. It's important to think about how AI decisions can affect people's lives.
  2. There are risks in AI like bias, lack of transparency, and privacy issues. These problems can lead to unfair treatment or violation of rights.
  3. Product managers play a key role in promoting responsible AI practices. They need to educate their teams, evaluate impacts, and advocate for accountability to ensure AI benefits everyone.

The Covid-19 Guide To Profiting From Boredom

Day One • 139 implied HN points • 21 Apr 20
💼 Business Income Generation Remote work Productivity Entrepreneurship Self-development
  1. During times of boredom, focus on feeding your mind with productive inputs to harness the power of your brain.
  2. In the midst of challenges, find opportunities to create and profit, just like individuals who launched successful initiatives during the pandemic.
  3. Use periods of hibernation or slowdowns to study, learn, and enhance your skills for future success.

Coming soon

Going Awol • 19 implied HN points • 22 Jan 23
🕹 Technology Blogging
  1. Amos Wollen is launching a new blog on Substack
  2. The blog will be available soon
  3. Social media sharing options are provided for the blog post

Building a "Vertical Agent"

The Security Industry • 13 implied HN points • 24 Feb 25
🕹 Technology AI Data Security SaaS Software
  1. Vertical agents are a new trend gaining interest for their potential impact in various fields. They utilize specialized AI to cater to specific industries or tasks.
  2. AI tools like HarvestIQ.ai can assist organizations in managing their security tools and processes. They can streamline research and decision-making by providing quick insights and analysis.
  3. The future may see AI agents that fully understand an organization's needs. These agents could help businesses choose the right tools and maintain compliance more effectively.

SpaceX's 5-Step Design Process

SatPost by Trung Phan • 79 implied HN points • 22 Apr 23
🕹 Technology Space Exploration Engineering Memes AI Innovation
  1. SpaceX is working on a 5-step design process for their Starship rocket, focusing on rapid failure and iteration.
  2. SpaceX has achieved significant cost reductions in space travel through reusable rockets and plans to further reduce launch costs with their new Starship rocket.
  3. SpaceX's approach to rapid iteration and innovation differs from NASA's more conservative approach, allowing for quicker progress in space exploration.

Too much money is a problem

Tech Ramblings • 19 implied HN points • 28 May 23
💼 Business Entrepreneurship Product Development Investment Fundraising Startups
  1. Having too much money can distract startups from their main goals, like building a great product and serving customers. It often leads to unnecessary spending and shortens focus.
  2. Starting with less money can force a company to be more focused and efficient. It encourages smart spending and careful planning.
  3. While raising money can be helpful for growth, it's important to raise just enough to reach goals without losing control or focus. Too much money can lead to problems.

How Tech Companies like Google and Facebook raised money when they started

Technology Made Simple • 39 implied HN points • 09 Apr 22
💼 Business Investors Funding Tech Companies
  1. Equity Financing: Tech companies often use equity financing to raise initial capital by selling ownership of the business to investors. This allows for flexibility and growth opportunities, but founders may have to listen to investors and risk losing control.
  2. Debt Financing: Another option for raising money is through debt financing, where companies take loans instead of selling ownership. This can lead to slower initial growth but ultimately makes the founder the sole owner of the company once the debt is paid off.
  3. Financial Structures: Understanding basic financial structures in tech is crucial for career success. Variants like non-voting stocks and LLCs can help mitigate risks while maximizing profit potential.

Fight to Repair Daily: Friday October 21, 2022

Fight to Repair • 19 implied HN points • 22 Oct 22
🕹 Technology Repair Legislation Software Right-to-repair
  1. High tech cars are becoming complex with sensors and computer chips, making repairs more difficult and expensive for consumers.
  2. New Jersey is considering a law to ban subscriptions for car hardware features, preventing automakers from charging extra fees for using built-in hardware.
  3. The FTC is proposing an initiative to require companies to provide repair instructions with household appliances, aiming to strengthen consumers' right to repair products and potentially reduce repair costs.

Making Sense of Consciousness Part 2: Attention

Rough Diamonds • 6 implied HN points • 03 Jul 25
📖 Philosophy Psychology Consciousness Cognition Neuroscience Perception
  1. We can process information without being consciously aware of it. Sometimes our brains notice things, but we don't actually realize we've noticed them.
  2. Inattentional blindness happens when we're focused on a task and miss other things, like a gorilla in a video. This shows that being distracted can block our awareness.
  3. Even when we don’t consciously see something, it can still influence our actions. Our brains react differently when we notice versus when we don’t, which affects how we behave.

Week in AI: July 7–13, 2025

The Product Channel By Sid Saladi • 6 implied HN points • 14 Jul 25
🕹 Technology Governance Product Launches Ethics
  1. This week saw a lot of money flowing into AI, with xAI raising $10 billion to boost their projects. Investors are really betting on the future of superintelligence.
  2. Several big companies, like OpenAI and Samsung, are launching new AI products and services. This shows that the competition in the AI space is heating up.
  3. Governance and safety in AI are becoming top priorities. Recent meetings and laws are pushing for better oversight to make sure AI is used responsibly.

Decentralized Training Looms

Pluralis Research • 1 HN point • 08 Jul 24
🕹 Technology AI training Blockchain Machine Learning Decentralization
  1. Decentralized training of foundation models is closer than widely believed despite concerns about low-bandwidth connections between nodes.
  2. Naysayers doubt the feasibility of decentralized training due to slow internet speeds impacting communication during model building, but recent research shows promising results in altering distributed training methods.
  3. Cost-effectiveness and model quality outweigh concerns about coordination and price in decentralized training environments.

What Matters Most: How We Develop Conviction at Seed

Equal Ventures • 39 implied HN points • 14 Mar 22
💼 Business Decision-making Startup Evaluation Venture Capital
  1. Developing conviction at seed stage involves looking beyond basic metrics and focusing on long-term potential.
  2. Key factors for investing include evaluating moat trajectory, proximity to product-market fit, and identifying catalysts for market entry.
  3. Team evaluation is crucial, prioritizing qualities like grit, decision-making, and founder-market fit over pedigree.

A reactionary take on memory safety

lcamtuf’s thing • 42 HN points • 01 Mar 24
🕹 Technology Security Coding Software Government Programming
  1. Memory safety in programming languages like C and C++ is a significant issue due to the risk of buffer overflows and other coding errors.
  2. Although there is a push to adopt memory-safe languages like a mandate from The White House, the practicality and necessity of such a move is questionable.
  3. Challenges in enforcing a complete shift to memory-safe languages include the limited exposure of critical code to attacks and the fact that other security vulnerabilities are more common in causing breaches.

How to stop corporate logic killing creativity

A Bit Gamey • 6 implied HN points • 13 Jul 25
💼 Business Corporate culture Creativity Strategy Innovation Data Analysis
  1. Corporate structures often stifle creativity because they focus too much on data and control. Real innovation needs freedom and the ability to explore new ideas without getting bogged down by numbers.
  2. Data can be misleading when trying to predict the future. Instead of focusing only on what's happened before, we should consider bold new ideas that might change the game.
  3. Creativity is a form of rebellion. It's important to confidently advocate for new ideas, even when others are stuck in their traditional ways of thinking.

ChatGPT, North Koreans, and America's Infrastructure

Of All Trades • 8 implied HN points • 17 May 25
🕹 Technology AI Engineering Remote work Cybersecurity International relations
  1. North Korean remote IT workers are being used by the regime to earn foreign money, often through scams and cybercrime. They can make a lot of money for the government by working remotely.
  2. These workers are also stealing the identities of professional engineers to create fake design documents. This could lead to serious safety issues because the real engineers might be held responsible for bad work they didn't do.
  3. There's a concern that this situation could harm the future of remote design and national security. It's important to have strict systems to verify who is doing work and how to ensure public safety.

Ep#4 : Soft Skills

The ZenMode • 42 implied HN points • 27 Feb 24
🕹 Technology Soft skills Programming Collaboration Communication Engineering
  1. Soft skills are equally important to technical skills in software engineering. They are often the secret weapon that distinguishes those who struggle from those who thrive.
  2. The path to coding proficiency requires a growth mindset, independence, logical thinking, and patience. Embrace challenges, learn from mistakes, and persevere for long-term success.
  3. Essential soft skills for programmers include communication, collaboration, adaptability, and empathy. These skills are crucial for success in a dynamic field where teamwork, continuous learning, and user-centered solutions are key.

Lessons from Plaid for a Future Energy Unicorn

Equal Ventures • 39 implied HN points • 11 Mar 22
🕹 Technology Energy Data API
  1. The energy sector is undergoing a digital transformation moving towards decentralized operations with renewables, envisioning a grid that resembles the internet.
  2. Data infrastructure plays a crucial role in shaping the future of the energy industry, with a focus on API solutions specific to the energy sector.
  3. Equal Ventures shared insights on the topic with Climate Tech VC, highlighting the importance of preparing for the evolving energy landscape and advocating for data-driven solutions.

Seven ways to spend our 4000 weeks well

A Bit Gamey • 20 implied HN points • 10 Nov 24
📖 Philosophy Time management Personal Growth Mindfulness Fulfillment Creativity
  1. Embrace limits to spark creativity. When you can't do everything, you find new ways to make an impact.
  2. Focus on a few important tasks that really matter. This helps avoid distractions and leads to greater recognition.
  3. Accept imperfection and the natural pace of life. It's okay if things aren't perfect; it leaves space for what truly matters.

A brief history of AI, visually explained 🎢

Year 2049 • 15 implied HN points • 22 Jan 25
🕹 Technology Learning Innovation AI History Computing
  1. AI has a long history, with many ups and downs, before becoming popular recently. It didn't just happen overnight with tools like ChatGPT.
  2. Understanding AI involves knowing its different types, how it learns, and how it can be biased. Each of these topics has a lot of depth.
  3. Creating engaging content about AI takes effort and a balance between being informative and accessible. Feedback is welcome to improve future topics.

Denouement

Clarifying Concurrency • 33 implied HN points • 31 May 24
🕹 Technology Programming Tools Conferences Software
  1. Pittsburgh surprised many with its beauty and many bridges. The Pycon conference there was a great experience and will be held again next year.
  2. Concurrency is a complex topic, and many people underestimate its difficulties. The writer realized it's okay to focus on broader topics rather than an expert niche like concurrency.
  3. Writing for a general audience feels more impactful. There are other programming techniques that can improve productivity for everyone, which is more inspiring to share.

Claude Sonnet 3.7 Compared with Previous AI Models

Jakob Nielsen on UX • 13 implied HN points • 25 Feb 25
🕹 Technology Web Design Software Development AI User Experience Usability
  1. The new AI model, Claude Sonnet 3.7, performs better than previous versions and outperforms other models, like Grok 3, in explaining key concepts like Jakob's Law.
  2. Jakob's Law highlights that users form their expectations based on their experiences with other websites. This means that following common design patterns is crucial for creating a user-friendly experience.
  3. Interactive demos created by AI can help users see how standard and non-standard designs affect usability, making it easier to understand the importance of sticking to familiar web conventions.

50Y Progress Index

Fifty Years News • 49 implied HN points • 13 Dec 23
💼 Business Startups Market Analysis Opportunities Technology Investment
  1. Our lives today are significantly better thanks to technological progress in various fields like energy, materials, and communication.
  2. A lot of startup innovation is focused on a few small areas, leading to missed opportunities for significant advancements.
  3. Identifying underfunded markets with huge potential for disruption could lead to substantial growth opportunities for entrepreneurs.

Forecasting, Game QA, and Personalized Embodied Agents

ppdispatch • 8 implied HN points • 30 May 25
🕹 Technology Automation AI Machine Learning Game Development Forecasting
  1. A new type of learning called outcome-based reinforcement learning is helping smaller language models make accurate predictions, even better than some big models.
  2. Researchers are looking at how AI agents remember information to provide personalized help, but they still struggle with remembering complex user preferences.
  3. A new benchmark for video game testing helps measure how well AI models can find bugs and glitches in games, making the testing process better and more efficient.

How Netflix handles it operations[System Design Sundays]

Technology Made Simple • 39 implied HN points • 04 Apr 22
🕹 Technology Interview Preparation System Design Engineering Tech Tools
  1. Good systems are created using a top-down approach, focusing on important decisions with the highest ROI, especially in limited time/resource scenarios like interviews.
  2. Understanding recent tools and technologies is crucial for systems design, different from Leetcode-style problems.
  3. Thinking from multiple perspectives such as developer, investor, and user is key to mastering systems design, helping to tackle complex questions effectively.

UX Roundup: Film Festival | AI Therapy | AI Radiology | AI Creative Writing | Grok 3

Jakob Nielsen on UX • 13 implied HN points • 24 Feb 25
🕹 Technology Film Usability AI Health tech Creative Writing
  1. AI technology has made significant strides in creative fields, like filmmaking, showcasing impressive work at events such as the AI Film Festival. Artists are using AI to create stunning visuals and stories, pushing the boundaries of what is possible.
  2. Research indicates that AI can perform on par with human therapists in couples therapy. Although AI therapy is cheaper and more accessible, many people still prefer human interaction due to trust and emotional connection.
  3. AI has demonstrated higher accuracy than human radiologists in medical diagnoses, particularly in breast cancer detection. This advancement has the potential to reduce workloads for doctors and improve early detection rates, highlighting AI's growing role in healthcare.

It was never about LLM performance

Technically • 41 implied HN points • 06 Mar 24
🕹 Technology Machine Learning Developer Tools User Experience Artificial Intelligence Open Source
  1. It's not just about the performance numbers of large language models (LLMs). The real value lies in the experiences built on top of these models for customers.
  2. The ChatGPT interface demonstrates the importance of the overall experience over just the underlying model technology in LLMs.
  3. When considering open source LLMs, it's crucial to focus on the holistic experience that model providers offer, not just the performance metrics in comparison to closed source models.