The hottest Substack posts right now

according to Hacker News
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Fast versus Right

Sunday Letters • 79 implied HN points • 26 Mar 23
🕹 Technology Programming Disruption Adoption Systems Networking
  1. Simplicity often beats complexity when it comes to technology. A simple solution that works now can be more effective than a complex one that may take longer to perfect.
  2. In the tech world, being first is crucial. The first company to launch a new idea or product often wins, especially if it benefits from network effects.
  3. It's important to focus on what can be quickly addressed. Don't get stuck on minor issues when bigger, more impactful problems need immediate attention.

Apple Animation Through the Ages: 2007

Jacob’s Tech Tavern • 218 implied HN points • 12 Sep 23
🕹 Technology Animation Frameworks Graphics Development
  1. In 2007, Apple introduced Core Animation, revolutionizing how animations were implemented on Mac OS X.
  2. Core Animation streamlined animation implementation by providing a declarative framework that leveraged the GPU for smooth transitions.
  3. Developers could easily create animations with Core Animation properties like frame, border, filters, and opacity.

A Primer on NGS Technologies and Their Specs (2025)

LatchBio • 22 implied HN points • 10 Jul 25
🕹 Technology Medical Devices Biotechnology Genomics Sequencing Instruments
  1. The sequencing technology landscape is growing rapidly, with many companies and instruments now available. It's becoming easier to measure different aspects of biology, and sequencing is often the final step in many biological workflows.
  2. The cost of sequencing has dropped significantly over the years, reaching under $1,000 for a human genome. This price drop has opened up accessibility for more research and applications.
  3. Modern sequencers are not just for DNA anymore; they are integrating multiple modalities, such as protein detection and spatial analysis. This makes them powerful tools for understanding complex biological systems.

T-RAG = RAG + Fine-Tuning + Entity Detection

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 19 implied HN points • 15 Feb 24
🕹 Technology Machine Learning Software Development Data Privacy LLMs AI
  1. T-RAG is a method that combines RAG architecture with fine-tuned language models and an entity detection system for better information retrieval. This approach helps in answering questions more accurately by focusing on relevant context.
  2. Data privacy is crucial when using language models for sensitive documents, so it's better to use open-source models that can be hosted on-premise instead of public APIs. This helps prevent any risk of leaking private information.
  3. The model uses an entities tree to improve context when processing queries, ensuring relevant entity information is included in the responses. This makes the answers more useful and comprehensive for the user.
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On Carlota Perez's "Technology Revolutions and Financial Capital"

Parth's Playground • 25 implied HN points • 10 Jun 25
💼 Business Finance Economics Innovation Investment Technology
  1. Technology goes through cycles of creation and adoption every 50 years. These cycles start with new technology being developed and then used by people, leading to big changes in society.
  2. Financial crises often happen in the middle of these cycles to clear out old ways of doing things and make space for new technologies to grow and connect with each other.
  3. Each new technology builds on past innovations, creating new opportunities. So, understanding where a technology is in its life cycle can help you know its potential and value.

We need to talk about AI

Unreported Truths • 29 implied HN points • 30 May 25
🕹 Technology Software Development Future Trends Automation Innovation AI Ethics
  1. Many people believe AI will change our world quickly, but it's hard to know how true that is. People have different opinions and experiences with AI.
  2. AI can do some tasks well, like coding and answering questions, but it often lacks creativity and originality. It mimics emotions but doesn't really challenge users.
  3. The future of AI is uncertain, and it's important to hear from others about their views and experiences with it. There may be real risks or benefits ahead.

Final Look at Local Housing Markets in December and a Look Ahead to January Sales

CalculatedRisk Newsletter • 52 implied HN points • 30 Jan 25
💰 Finance Inventory Sales Data Market Trends Real Estate Housing
  1. Existing home sales increased for three months in a row, but they are still much lower than before the pandemic. December's sales were about 21% below the average from 2017 to 2019.
  2. Inventory of homes for sale is rising sharply in regions like Florida and Texas, with a year-over-year increase of 17.5%. This suggests more options for buyers in those areas.
  3. There were more new listings in December compared to last year, but they are still at historically low levels. The increase in new listings may hint at some recovery in the housing market.

The value of iteration

Sunday Letters • 159 implied HN points • 17 Jul 22
🕹 Technology Software Development User Experience Artificial Intelligence Machine Learning
  1. Software development has changed from a strict step-by-step approach to a more flexible, iterative process. This means developers now focus on making small, incremental improvements based on user feedback.
  2. Many current applications still operate like the old method with rigid tasks. They don't allow users to interact freely, making the experience less enjoyable.
  3. Emerging technologies, like large language models, have the potential to make software more adaptable. This could lead to personalized experiences that evolve based on individual user needs.

Transmission line explorations - deeper investigations

Only Wonder Knows • 39 implied HN points • 20 Oct 23
🕹 Technology Engineering Electronics Manufacturing Materials Simulation
  1. Establish a close relationship with the PCB manufacturer to discuss concerns and ask for expected ranges.
  2. Consider ordering a PCB carefully as design complexity increases, requiring more aspects to be taken into account.
  3. Copper roughness, dielectric materials, and DK uniformity are crucial factors to consider in PCB design for high-speed signals.

Drifters, Dreamers, Tourists, Growers

From the Desk • 27 implied HN points • 03 Jun 25
📖 Philosophy Mental well-being Life lessons Self-awareness Personal Growth
  1. Personal growth isn't automatic. It takes intentionality and self-awareness to move forward and feel fulfilled in life.
  2. There are four types of people when it comes to growth: Drifters, Dreamers, Tourists, and Growers. Each type reflects a different relationship with intentions and self-awareness.
  3. True joy and growth come from reflection and understanding ourselves better, rather than just chasing success or comfort.

What if you couldn't fail?

Upon Reflection • 19 implied HN points • 14 Feb 24
💼 Business Leadership
  1. Many people operate from a place of fear, but leaders should practice believing in themselves, their team, and their company for positive outcomes.
  2. Leaders need to embrace the mindset that challenges are opportunities for growth and success, not insurmountable obstacles.
  3. Acknowledging your ego, facing the truth even if it's uncomfortable, and falling in love with difficult tasks are key actions for leaders to evolve and improve their organizations.

Illumina Sequencers On The Internet

ASeq Newsletter • 65 implied HN points • 05 Dec 24
🕹 Technology Internet Security Data Privacy Cloud Computing
  1. Many Illumina sequencers are publicly accessible on the internet, which is a security risk. It's important to check if your sequencer is securely configured.
  2. About 15% of the sequencers tested had no user management enabled, allowing potentially unauthorized access. This means someone could view or even modify the data without permission.
  3. Most of the exposed instruments were located in the US, including instances at UCSD. It's crucial for owners to ensure their devices are not left vulnerable online.

Market Design in Regulated Industries

Knowledge Problem • 39 implied HN points • 19 Oct 23
💼 Business Institutional change Market design
  1. Transitioning from heavily regulated industries to organic market processes is unlikely to be organic due to embedded special interests.
  2. In regulated industries like electricity, designing market rules is necessary to prevent favoring existing incumbents.
  3. Market institutions need to be deliberately designed in less-than-organic circumstances, introducing a political dimension to the process.

Abstraction in the function concept

Infinitely More • 25 implied HN points • 09 Jun 25
📖 Philosophy Theory Abstraction Mathematics Concepts Logic
  1. The function concept in mathematics has evolved a lot, allowing for more abstract definitions. This means mathematicians can explore complex ideas that go beyond simple rules and formulas.
  2. Examples like the Devil's staircase and space-filling curves challenge our understanding of functions. These unique functions have properties that seem strange and unexpected compared to our usual ideas of what a function should be.
  3. The Conway function shows how every real number can be linked to another number in a complex way. It helps to illustrate that functions don't always need a clear formula and can still be valid in mathematics.

Placemaking vs. Mission-Shaping

Breaking Smart • 70 implied HN points • 07 Nov 24
🕹 Technology Blockchain Digital Infrastructure Community Building Urban Design
  1. Placemaking is about creating welcoming spaces where people can thrive, while mission-shaping focuses on specific goals or projects. These two ideas often compete with each other because one is broad and inclusive, and the other is focused and narrow.
  2. The popup city movement is experimenting with creating communities that don't force a single mission, letting people bring their own projects while still fostering a vibrant environment. It's more about the place existing and supporting different activities rather than being driven by a single purpose.
  3. Cities and startups have different goals. Cities are about nurturing life and managing ongoing experiences, while startups are about efficiently solving specific problems. Mixing the two approaches can lead to mistakes in how we build and think about communities.

Microsoft Sentinel SOC 101: How to Detect and Mitigate Rare Domains Seen in Cloud Logs

Rod’s Blog • 39 implied HN points • 19 Oct 23
🕹 Technology Orchestration Automation Threat Detection Cloud Computing Security
  1. Rare domains in cloud logs can indicate malicious activities like command and control communication, phishing, or data exfiltration.
  2. Microsoft Sentinel offers a built-in hunting query to identify rare domains and mitigate potential security incidents.
  3. By using automation and orchestration in Microsoft Sentinel, organizations can efficiently respond to and manage incidents related to rare domains in cloud logs.

OpenAI's smart revenue push, self-driving wars, and what to make of our new AI king

Alex's Personal Blog • 65 implied HN points • 06 Dec 24
🕹 Technology Business AI Robotics Innovation Cryptocurrency
  1. OpenAI has introduced a new $200 monthly subscription that offers more features compared to its $20 plan. This move aims to boost their revenue and cover losses from previous years.
  2. Self-driving companies like Waymo and Uber are ramping up their efforts in the autonomous vehicle market. Waymo is partnering with Moove for fleet management to focus on technology, while Uber is expanding its self-driving services overseas.
  3. David Sacks has been appointed as the new White House A.I. and Crypto Czar. His past investments in AI and crypto could lead to conflicts of interest, raising concerns about fairness in regulations.

"AI, no ads please": 4 words to wipe out $1tn

12challenges • 147 HN points • 07 Mar 24
🕹 Technology AI Chatbots Platforms Ads
  1. AI could threaten the $1 trillion adtech industry by reducing the number of ads we see, impacting both demand and supply sides.
  2. The availability of advertising space (inventory), which is essentially our attention sold by Big Tech, underpins the adtech industry's massive revenue.
  3. AI operating systems and advancements could play a major role in reducing ad consumption, potentially affecting giant tech companies like Meta and Alphabet.

Must Learn AI Security Part 23: Blurring or Masking Attacks Against AI

Rod’s Blog • 39 implied HN points • 19 Oct 23
🕹 Technology Adversarial Attacks Cybersecurity Artificial Intelligence Computer Vision AI Security
  1. Blurring or masking attacks against AI involve manipulating input data like images or videos to deceive AI systems while keeping content recognizable to humans.
  2. Common types of blurring and masking attacks against AI include Gaussian blur, motion blur, median filtering, noise addition, occlusion, patch/sticker, and adversarial perturbation attacks.
  3. Blurring or masking attacks can lead to degraded performance, security risks, safety concerns, loss of trust, financial/reputational damage, and legal/regulatory implications in AI systems.

Consumer and Enterprise in the AI era

next big thing • 67 implied HN points • 20 Nov 24
🕹 Technology AI Startups Investing Enterprise Consumer
  1. Companies today are often serving both consumers and enterprises, breaking old boundaries. This means the most exciting businesses aren't just one or the other; they cater to both.
  2. The rise of AI, especially with tools like ChatGPT, is happening faster than any tech before. Many AI companies are seeing rapid user growth from both casual consumers and big businesses.
  3. For entrepreneurs, it's important to choose the right focus but also to have a vision that spans both markets. If your product gains popularity with both types of users, it could lead to great success.

Untitled Goose Retrospective

Dev Interrupted • 18 implied HN points • 31 Jul 25
🕹 Technology AI Software Development Collaboration Education
  1. When working on a project, start with a clear plan. Knowing what you're building and how it works helps everyone stay on track.
  2. Using voice commands to interact with AI can simplify coding. It lets you focus on ideas without getting stuck on technical details.
  3. Live coding can be stressful, but having an AI collaborator can reduce anxiety. It turns coding into a conversation rather than a solo task.

Interview with Intel’s Dr. Ann Kelleher

More Than Moore • 186 implied HN points • 22 Nov 23
🕹 Technology Research and Development Engineering Innovation Manufacturing Semiconductors
  1. Intel has been successful in using EUV in their Intel 4 technology
  2. The development of nodes at Intel involves extensive research, pathfinding, and process development before transferring to high-volume manufacturing
  3. Intel is progressing well with their roadmap of '5 nodes in 4 years', with Intel 4 completed and Intel 3 on track

Psychological principles in product design — a closer look at Duolingo

UX Psychology • 198 implied HN points • 05 Oct 21
🕹 Technology User engagement Design Gamification Psychology UX
  1. Small improvements near the end of an experience can significantly impact how people remember the entire event.
  2. Highlighting a unique option among similar choices can make it more memorable and likely to be chosen.
  3. As people make progress towards a goal, they tend to speed up their actions to reach it faster, indicating motivation by the remaining distance to the target.

MBB vs other consultancy companies

An Ode to Restlessness • 19 implied HN points • 13 Feb 24
💼 Business Career Consulting Scale Opportunities Quality
  1. Working for a large consulting company like MBB gives you more project options. This means you can explore different types of work and find what you really enjoy.
  2. MBB has a reputation for high quality because of the top talent they hire. This means you'll be working with smart people and on exciting projects, which can lead to unique experiences.
  3. Having MBB on your resume opens doors for future opportunities. Whether you stay in consulting or move on to another career, the experience and connections you gain at MBB will help you succeed.

Creating a Security Posture Report for a Specific Azure Subscription

Rod’s Blog • 19 implied HN points • 13 Feb 24
🕹 Technology Documentation Cloud Computing Cybersecurity Data Analysis
  1. Creating a security posture report for a specific Azure subscription provides enhanced visibility into the security state of assets and workloads, aiding in identifying potential vulnerabilities.
  2. The report includes guidance for improvement with hardening recommendations to help efficiently enhance security posture.
  3. Azure Secure Score assists in prioritizing security recommendations for effective triage to enhance security posture and align with compliance standards.

Engaging Your Staff to Drive Success

Ruben Ugarte's Growth Needle™ • 19 implied HN points • 13 Feb 24
💼 Business Leadership Strategy Implementation Management
  1. Most strategies fail during implementation because the planning phase is fun, but putting plans into action is hard. Engaging staff is vital to convert plans into reality.
  2. Engaging staff before creating a strategy helps gather useful feedback and ideas. This can be done through surveys, townhalls, or one-on-one conversations.
  3. After a strategy is made, leaders should support staff by explaining how it benefits them personally and providing the tools they need. Keeping changes simple helps everyone adapt better.

AI lets you scalably do things that don't scale

Generating Conversation • 70 implied HN points • 14 Nov 24
💼 Business Startups Customer Service Technology Sales Marketing
  1. AI helps businesses do tasks that usually require a lot of personal attention but can now be done at a larger scale. This means companies can reach more people without losing that personal touch.
  2. Using AI can improve customer support and technical help by automating common questions and providing quick solutions, allowing teams to handle more inquiries efficiently.
  3. Startups can grow faster with AI because it lets them do more with less staff. This ability to automate and customize tasks helps them stay lean while still offering great service.