The hottest Substack posts right now

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Category

Paradox.

The Future Does Not Fit In The Containers Of The Past • 30 implied HN points • 05 Jan 25
💼 Business Management Technology Productivity Workplace Strategy
  1. Companies today need to handle both Fragmentation and Integration to succeed. They should adapt to different types of workers and resources while ensuring everything works together smoothly.
  2. Fragmentation comes from having diverse employee types and many ways to reach customers, making it important for companies to simplify how they manage these aspects.
  3. To compete effectively, companies should create seamless services and use data smartly to combine insights, while also offering some customization without overwhelming customers.

Attention Explained: When to use Self, Graph, and Target-Aware Attention

Recommender systems • 16 implied HN points • 25 May 25
🕹 Technology Machine Learning AI Computer Science Data science
  1. Self-attention helps summarize a list of information, making it easier to find what's most relevant, like recent videos you watched.
  2. Graph attention looks at how items in a network relate to each other, like understanding social connections in a network.
  3. Target-aware attention checks how relevant certain items are based on your past choices or queries, helping improve recommendations.

SpaceShoring: When Offshoring Just Isn’t Far Enough

Gad’s Newsletter • 26 implied HN points • 17 Feb 25
💼 Business Space Manufacturing Startups Technology Economics
  1. Manufacturing in space has unique benefits, like producing materials with special properties that can't be achieved on Earth. This is due to factors like microgravity, which can enhance things like crystallization in materials.
  2. Despite the advantages, there are huge challenges to making space manufacturing cost-effective. High startup costs and technical difficulties mean it's currently not competitive with traditional Earth-based manufacturing.
  3. The future of space manufacturing could depend on companies like SpaceX reducing launch costs even more. If prices drop significantly, it might open up new possibilities for making things in space that could eventually be profitable.

Edition 29: Security slows down Change Management and we have a chance to fix it

Boring AppSec • 15 implied HN points • 27 May 25
🕹 Technology AI Change Management
  1. Change management in IT often slows down security processes, making it hard for teams to implement new features quickly. Many companies find this review process lengthy and unproductive.
  2. Using AI, like LLMs, could help automate security reviews, making the process faster and more efficient. This can potentially save days or weeks by compressing what used to take a long time into just a few minutes.
  3. Finding the right name for these new automated reviews is tricky, as the current options don't fully capture the goal. Still, the focus should be on how to secure changes rather than just assessing risks.
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Q3 2023 Investor Update

Boxcar Joe's Newsletter • 19 implied HN points • 07 Nov 23
💼 Business Technology Strategy Growth Financials
  1. Boxcar's revenue is growing by 75% in Q3 2023 compared to Q3 2022, with expected growth of 100% by the end of 2023.
  2. In Q3, Boxcar upgraded its technology with two-way SMS capabilities, leading to improved customer interaction and engagement.
  3. The company's financials show positive trends, with increasing total bookings, membership revenue, and parking business expanding.

How to code for the future

CodeFaster • 36 implied HN points • 19 Nov 24
🕹 Technology Technical Debt System Design Software Development Coding Practices
  1. When coding for the future, it's important not to create more work for yourself later. Focus on avoiding technical debt instead of trying to predict every future need.
  2. Don't go overboard with coding. Keep your code simple and flexible, ensuring it can adapt to changes without adding extra complexity.
  3. Instead of trying to build reusable programs from the start, solve the immediate problem first. You can refactor and create reusable parts later if needed.

FunctionGemma, GPT‑5.2-Codex, Chatterbox Turbo, A2UI, Seedance 1.5 pro, GPT Image 1.5, SAM Audio, Wan2.6, LongCat-Video-Avatar, Mistral OCR 3, Ray3 Modify, FLUX.2 [max] and more

AI Brews • 2 implied HN points • 19 Dec 25
🕹 Technology Artificial Intelligence Developer Tools Open Source Computer Vision Multimodal models Generative AI Machine Learning
  1. AI development is accelerating around multimodal and audio‑video capabilities, with many new models that generate or edit high‑quality video, isolate sounds, and produce expressive, lip‑synced audio.
  2. The agent and developer ecosystem is maturing fast — plugin marketplaces, open agent standards, memory‑first agents, and UI/ workflow tools are making it much easier to build, extend, and deploy agentic applications.
  3. Open‑source and specialized releases are raising the bar for core capabilities like OCR, 3D view synthesis, image generation, code/documentation automation, and semantic search, bringing more practical AI tools to developers and creators.

Entrust mis-issues a certificate, Refuses To Follow CA/B Rules

Musings about WebPKI and Public Trust • 8 HN points • 15 Mar 24
🕹 Technology Incident Response Cybersecurity Certificates Automation Web Security
  1. Certificate Authorities can face incidents like misissuance or non-issuance, with misissuances often caused by human error or software bugs.
  2. Baselining Requirements set by the CA/B forum provide rules for dealing with certificate misissuances, including the timeline for revocation.
  3. Entrust's recent incident highlights a misissuance dilemma, where they continued misissuing certificates and refused to follow the proper revocation process, impacting thousands of Extended Validation certificates.

Cogito v2, GLM-4.5 , first open-source MoE Video Model, fully autonomous ML agent, FLUX.1 Krea [dev], Qwen3-Coder-Flash, Manus Wide Research, Runway Aleph, Intern-S1, Step3, Action Agent & more

AI Brews • 10 implied HN points • 01 Aug 25
🕹 Technology AI Software Development Innovations Open Source Machine Learning
  1. Several new AI models have been released, including models for reasoning and video generation. These advancements promise improved performance in various AI tasks.
  2. Open-source AI projects are on the rise, allowing developers and researchers to access and contribute to innovative AI technologies more easily.
  3. New features in AI tools, like autonomous agents and enhanced context management, are making it easier for users to navigate complex workflows and streamline their tasks.

Why AI Won't Cause Unemployment

Marc Andreessen Substack • 163 HN points • 04 Mar 23
🕹 Technology Regulation Innovation Automation AI Economy
  1. Throughout history, fears of technology causing unemployment have not matched reality in capitalist economies.
  2. AI may face barriers due to regulations that already make technology illegal in many sectors of the economy.
  3. Sectors heavily regulated by the government see rising prices without technological innovation, while less regulated sectors witness falling prices due to technological advancement.

How we built a business out of recession - chapter 27 - kingmaker

The ZIPster • 35 implied HN points • 06 Dec 24
💼 Business Sales Investment Start-ups Entrepreneurship Management
  1. CitNOW started small but grew quickly because they found a real need in the market. Their hard work finally paid off when big clients began to show interest.
  2. Growing a business means taking risks, like moving to a bigger office when your team expands. It’s important to adapt and hire the right people as demand increases.
  3. Team dynamics matter a lot in a start-up. Changing roles and titles can help everyone focus on what they do best and keep the business moving forward.

Selling account names in the blue, blue skies

Conspirador Norteño • 36 implied HN points • 28 Nov 24
🕹 Technology Data Analysis Social media Internet culture Online Scams
  1. Handle squatting is when people register social media handles to sell them later. Even though Bluesky allows custom domain names as handles, some still try to squat.
  2. Buying account names is risky and usually a bad idea. It's better to create your own accounts instead of getting them from spammers.
  3. Some recent accounts on Bluesky show repetitive bios and were created in batches, indicating possible spam activity. One such account even changed its bio to seem more legitimate.

Book update

Minimal Modeling • 101 implied HN points • 21 Nov 23
🕹 Technology Database Design
  1. The author is working on a book about Database Design using a Minimal Modeling approach
  2. The course focused on logical modeling, secondary data, and table design strategies
  3. Logical modeling helps address complex questions and lays the foundation for successful table design

Three people I admire

Tech Ramblings • 39 implied HN points • 07 May 23
💼 Business Leadership Motivation Work Culture Self-Improvement Entrepreneurship
  1. David Goggins inspires hard work and resilience. He shows that facing fears and not settling for mediocrity is important for success.
  2. Ray Dalio's books offer valuable lessons on building a company and understanding societal changes. His principles on culture and feedback are especially useful for entrepreneurs.
  3. John McWhorter excels in clear and thoughtful debate. He teaches how to focus on ideas rather than personal attacks, making discussions more accessible for everyone.

Understanding the Power of Bitwise Operators. No math needed

Deus In Machina • 145 implied HN points • 11 May 23
🕹 Technology Programming Software Computing Emulation
  1. Bitwise operators manipulate binary data without the need for math, making them powerful tools in programming.
  2. Understanding binary representation is crucial in computer programming, allowing for efficient manipulation of data.
  3. Bitwise operators like AND, OR, XOR, and shift operations are essential in tasks like setting specific bits, masking off bits, or shifting binary numbers.

The power of patterns

Sunday Letters • 119 implied HN points • 07 Feb 22
🕹 Technology Web Development Digital Trends Innovation Business Models Crypto
  1. Technology keeps changing, and it can be tough to keep up. It's common for people to use past experiences to help make sense of new tech.
  2. In the early days of the internet, companies tried to fit new ideas into old models, but they often missed the bigger picture. Real value comes from new solutions, not just familiar concepts.
  3. When exploring new ideas, like crypto, it's important to look for real problems being solved, not just familiar patterns. Focus on what new capabilities these innovations bring.

This landscape does not exist

Conspirador Norteño • 32 implied HN points • 28 Dec 24
🕹 Technology Online behavior Spam Detection Digital Content Social media AI
  1. Facebook is flooded with AI-generated images, often coming from pages that aren't run by regular users. These images sometimes get a lot of attention, but they mainly come from content farms.
  2. Many Facebook pages post the same AI-generated images around the same time, with slight changes to avoid detection. This suggests they might all be operated by the same group of people.
  3. The AI-generated images often look strange and unrealistic, with obvious glitches like odd-looking roads and animals. They tend to have brighter colors than real photos, making them easy to spot.

Episode 41: Better Built By Burkhard

burkhardstubert • 39 implied HN points • 01 May 23
🕹 Technology Software Microcontrollers Development Tools IOT Embedded Systems
  1. Qt for MCUs is designed for memory-constrained devices, making it ideal for low-cost electronics like appliances and wearables. This helps companies save money, especially when producing large volumes of products.
  2. Manufacturers are looking for a way to use the same software framework for both high-end and low-end devices. Doing this would allow them to reuse code and save time and resources when switching between different hardware.
  3. Recent advancements have made Qt for MCUs more efficient, allowing it to run on devices with very little memory. This is a game changer, as it opens up new possibilities for using Qt in even simpler and cheaper devices.

Interviewing Company CEOs: The Must-Ask Question Checklist Every Investor Needs

Behavioral Value Investor • 126 implied HN points • 30 Jul 23
💼 Business Company Culture Investment Financial Analysis Company strategy
  1. Prepare questions for a CEO interview to focus on 'what' and 'how' without being accusatory.
  2. Before interviewing a CEO, decide your goals such as learning, relationship building, or understanding culture.
  3. Topics to cover during a CEO interview include strategy, customers, economics, capital allocation, company culture, and CEO motivations.

You can't handle Errors

Burning the Midnight Coffee • 83 HN points • 13 Feb 24
🕹 Technology Error Handling Programming
  1. Faults in code lead to errors, which then cause failures in a program's behavior. Understanding this process is crucial for effective error handling.
  2. Handling an error means returning the program to a known, correct state, which usually involves restarting it in some way. Proper failure handling is key.
  3. Exceptions as both error handling and additional return values can lead to more faults and failures. It's important to define and address failures distinctly from errors.

How Should Large Language Models Be Evaluated?

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 19 implied HN points • 06 Nov 23
🕹 Technology Data science AI Evaluation Natural Language Processing Machine Learning
  1. When evaluating large language models (LLMs), it's important to define what you're trying to achieve. Know the problems you're solving so you can measure success and failure.
  2. Choosing the right data is crucial for evaluating LLMs. You'll need to think about what data to use and how it will be delivered in your application.
  3. The process of evaluation can be automated or involve human input. Deciding how to implement this process is key to building effective LLM applications.

Application Security Maturity Models

Resilient Cyber • 59 implied HN points • 03 Jan 23
🕹 Technology Cybersecurity Software Development
  1. OWASP's Software Assurance Maturity Model (SAMM) helps organizations check how secure their software practices are and plan for improvements. It breaks down the process into different business functions to make it manageable.
  2. SAMM outlines specific security practices organizations should follow during software development, including governance, design, implementation, verification, and operations. Each area has suggested actions to help raise security standards.
  3. It's important to cautiously evaluate self-attestations from third-party software vendors regarding security compliance. Additional tools like Software Bill of Materials (SBOM) can help provide clearer insights into software vulnerabilities.

The OpenAI corporate revamp seems pretty reasonable

Alex's Personal Blog • 32 implied HN points • 27 Dec 24
💼 Business Tech industry Corporate Structure Funding Models Business strategy
  1. OpenAI is changing its company structure to better fit its needs for raising and making money. They are moving to a type of corporation that requires them to think about more than just profits.
  2. The new structure will allow OpenAI to balance its mission with the interests of shareholders. This means they must consider how their decisions affect everyone, not just those who own stock.
  3. Although the changes could face challenges, like legal issues with competitors, OpenAI seems focused on preparing itself for future success.

Happy Birthday !

Activist Futurism • 79 implied HN points • 16 Mar 22
📖 Philosophy Reflections Identity Activism Social Change
  1. Adapting to major changes like the pandemic can lead to a redefinition of self and a shift in career focus.
  2. In the world of crypto, profits often come from having exclusive information that others don't possess, leading to a growing information gap.
  3. Increasing information asymmetry in society, seen in areas like Covid research and global conflicts, can make actions of the informed difficult to understand by those lacking knowledge.

Reasoning Models, visually explained 🤔

Year 2049 • 11 implied HN points • 17 Jul 25
🕹 Technology Programming Data science Machine Learning AI Innovation
  1. Reasoning models take time to think through problems step-by-step, unlike standard LLMs that give quick answers. This helps them break down complex questions and find better solutions.
  2. While reasoning models can work better for complex problems, they might fail on simpler ones and can overthink too much. Sometimes, basic LLMs are faster and more accurate.
  3. Choosing the right AI model for your task is important. Not every problem needs a reasoning model, so understanding their strengths and limitations can help set realistic expectations.

Where is the autonomy in AI?

Sunday Letters • 19 implied HN points • 06 Nov 23
🕹 Technology AI Automation Software Development Machine Learning Human-computer interaction
  1. AI models like large language models need human guidance to perform tasks effectively. Humans help by providing prompts and correcting errors.
  2. Even complex tasks require a lot of human involvement. AI can't work fully independently; it can't just be told to 'write a book' without further instruction.
  3. There is still a long way to go in developing AI that can handle complex, open-ended problems alone. Current systems struggle with autonomy and can't yet replicate human planning and organization.

Brewed to Order: Starbucks, CosMc’s, and the Latte-est Trends in Mass Customization

Gad’s Newsletter • 38 implied HN points • 11 Nov 24
💼 Business Marketing Brand Management Customization Consumer Trends
  1. Starbucks is changing its approach to customization by simplifying its menu. The new CEO wants to speed up service and reduce wait times, focusing on efficiency for customers.
  2. CosMc’s offers a wide variety of pre-set drink options, allowing customers to enjoy new flavors without the need for complex ordering. This appeals to those who want variety but don't want the hassle of endless choices.
  3. Mass customization means balancing individual preferences with operational efficiency. Companies like Starbucks and CosMc’s illustrate different strategies to meet consumer demands while managing service speed and complexity.

Online attribution is dying. Clicks are dying. What should you do about it?

Nail It and Scale It • 1 HN point • 05 Aug 24
💼 Business Growth Marketing Advertising Analytics
  1. Online attribution isn't dead, but it's getting trickier. You might still be able to track how your ads are performing, especially if you're spending less than $10k a month.
  2. It's important to set up proper tracking for your marketing efforts. Tools like call tracking and unique landing pages can help you see where your customers are coming from.
  3. When attribution is tough, consider using estimates or lift analysis. These methods can help you guess how different marketing efforts contribute to sales, even if it's not perfect.

Don't Run Coibion-Gorodnichenko Regressions with Micro Data

inexactscience • 39 implied HN points • 27 Mar 23
💰 Finance Research Methods Economics Data Analysis Statistics Forecasting
  1. Running Coibion-Gorodnichenko regressions with individual data can lead to misleading results. It's important to use appropriate data types to avoid confusion in the findings.
  2. Individual forecasts tend to produce negative results compared to positive results in average forecasts. This means that the insights from these regressions can differ significantly based on the data used.
  3. The methodology is sensitive to noise and measurement errors, which can skew results. Researchers need to be cautious and robust in their approach to ensure accurate interpretations.

Should Data Teams care about Data Contracts?

The Orchestra Data Leadership Newsletter • 19 implied HN points • 05 Nov 23
🕹 Technology Data Quality Software Engineering Data Engineering Data Contracts Data Teams
  1. Consider data contracts if your internal data changes often to ensure collaboration between software engineering and data engineering teams.
  2. If you have important metrics that depend on software engineering actions, like defining 'Active Users,' data contracts can help maintain data quality.
  3. In cases where software engineering and data engineering roles overlap, implementing data contracts can streamline data ingestion processes and improve data quality.

Problem 64:Group Anagrams[Amazon]

Technology Made Simple • 39 implied HN points • 10 Nov 22
🕹 Technology Newsletter Coding
  1. Group Anagrams problem involves using strings, hashing, and dictionaries for solutions.
  2. Anagrams are words formed by rearranging letters from other words, and this problem requires grouping anagrams together.
  3. Consider solutions beyond sorting for better performance, especially with large input strings.

OpenAI’s Lies and Half-Truths

Marcus on AI • 76 HN points • 15 Mar 24
🕹 Technology Corporate ethics Data Training Regulation Transparency Artificial Intelligence
  1. OpenAI has been accused of not being completely candid in their communications and responses to questions.
  2. There have been instances where OpenAI's statements may not accurately reflect their true intentions or actions.
  3. Concerns have been raised about OpenAI's transparency regarding their data training sources, financial matters, regulation views, and future plans.

How to Solve Leetcode Brain Teasers [Technique Tusdays]

Technology Made Simple • 39 implied HN points • 09 Nov 22
🕹 Technology Tutoring Problem Solving Algorithms Interviews Coding
  1. Brain teasers in interviews may seem simple but can be tricky to solve because of their deceptive simplicity.
  2. When stuck on a problem, look for something familiar to latch onto and analyze it in depth to gain clarity on possible solutions.
  3. Talking out loud about the problem can help make connections, leading to better problem-solving and understanding.