The hottest Substack posts right now

according to Hacker News
Category

Defining The Great Uncoupling™

The Rectangle • 56 implied HN points • 21 Feb 25
🕹 Technology User Experience Devices Optimization Digital Life
  1. The goal is to stop letting my phone control my life and find a better balance with technology. It's tough to do this, but I'm determined to make a change.
  2. I plan to use an Apple Watch for most basic tasks like communication and payments, which will help reduce my phone usage. This way, I can enjoy the useful features of a watch without getting distracted by apps.
  3. I also want a simple device, like the Boox Palma 2, that lets me do essential things without the risk of endless scrolling. This will help me stay focused and less reliant on my phone.

Alexa, WTF Happened?

The Radar • 19 implied HN points • 05 Mar 24
💼 Business Customer Service E-commerce Company Culture
  1. Amazon's customer service has shown signs of declining quality, leading to customer dissatisfaction.
  2. The shift from customer obsession to profit focus at Amazon is evident in interactions with customers.
  3. There are concerns about Amazon's business practices and treatment of customers, as highlighted by various incidents of mishandling customer issues and funds.

☎️ E20: The State of Privacy Enhancing Technology and The Era of “Shift-Up” (Feat. Karim Eldefrawy of Confidencial.io)

Let Us Face the Future • 119 implied HN points • 19 Oct 23
🕹 Technology Compliance Data security Application Security Cryptography
  1. Application-level security is crucial and there is a trend towards 'shift-up' in data security.
  2. Compliance with NIST standards is a significant factor for adoption in regulated industries.
  3. The NIST PQC standardization process will drive wider adoption of cryptographic tools.

Easy Robotics with a 3D Printer and Raspberry Pi

Messy Progress • 59 implied HN points • 10 Feb 25
🕹 Technology Robotics Electronics DIY Projects Programming 3D Printing
  1. Making a robot with a 3D printer and a Raspberry Pi is fun and can be done on a budget. You can create many different designs without limits.
  2. A modular design is helpful because it allows for easy changes and quick fixes. This makes it easier for kids to participate and experiment.
  3. Using a Raspberry Pi for controlling your robot opens up many possibilities, like adding cameras or other fun components. You can even use simple coding to operate it.

Advocating for Your Work

The Uncommon Executive • 19 implied HN points • 05 Mar 24
💼 Business Gender Issues Leadership Team Collaboration Achievements Recognition
  1. Advocating for your work is essential for recognition and advancement in your career, especially for women and minorities who may face additional challenges in being acknowledged for their contributions.
  2. Celebrate delivering projects as expected and on time to increase visibility and recognition within the organization, even if you excel at preventing issues before they arise.
  3. Finding different methods to share your achievements like framing them as best practices or thanking collaborators can help in ensuring your wins are seen and appreciated by others.
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#6 Twitter: What's My *Name* Again?

Product Identity • 19 implied HN points • 28 Mar 24
🕹 Technology Digital Identity Social media Product Design User Experience Tech Culture
  1. Twitter, now called X, is facing an identity crisis after Elon Musk's takeover. Users feel confused about the platform's direction and branding changes.
  2. Despite its challenges, Twitter remains a unique place for short-form content and discussions. Its text-first approach has fostered a special community culture.
  3. The introduction of long-form tweets has changed Twitter's essence, moving it away from its original character limit that defined its identity. This could impact the way users engage with content.

GroupBy #25: From Samza to Flink: A Decade of Stream Processing, DoorDash’s In-House Search Engine,Meta's DotSlash, Designing Metrics Trees

VuTrinh. • 19 implied HN points • 05 Mar 24
🕹 Technology Stream Processing Data Visualization Software Development Data Engineering
  1. Stream processing has evolved significantly over the years, with frameworks like Samza and Flink leading the way in handling real-time data streams.
  2. DoorDash developed its own search engine using Apache Lucene, achieving impressive performance improvements, like reduced latency and lower hardware costs.
  3. Understanding metrics trees is essential for businesses as they visually represent how different inputs contribute to outputs, helping in decision-making.

The Fear Over Tariffs

Spilled Coffee • 60 implied HN points • 05 Feb 25
💰 Finance Inflation Market Impact Economic Growth Trade policy Tariffs
  1. Tariffs can cause prices to rise for consumers, leading to inflation. This means things might get more expensive for everyone.
  2. The ongoing tariffs can create uncertainty in the stock market and economy. Businesses are worried about how these changes could impact their profits.
  3. Monitoring tariffs is important for investors and business owners. They need to stay updated because tariffs affect many products and can cause market fluctuations.

AI slashes ads by boosting intention (+ weekly update)

12challenges • 171 implied HN points • 09 Mar 24
🕹 Technology Advertising Digital marketing Innovation AI Data
  1. Our intentions can get diluted through different stages like Action and Input before resulting in something happening on a computer.
  2. The use of AI can boost intention by translating inputs into more aligned results and increasing confidence in actions.
  3. AI can help shrink the 'Crapgret Zone' where ads reside by improving intention alignment and reducing unintentional consumption of ads.

Apple Intelligence and the Quiet Shift in AI Branding

philsiarri • 22 implied HN points • 25 Jul 25
🕹 Technology Consumer Tech Product Design Branding Privacy AI
  1. Apple Intelligence is a new set of AI tools that helps users with tasks like writing and image generation. It's designed to work seamlessly with existing apps on iPhones, iPads, and Macs.
  2. New branding for these AI tools emphasizes user privacy and control. By calling it 'Apple Intelligence,' they want users to see it as a supportive feature rather than just another product.
  3. Apple focuses on making AI tools about user assistance, not replacing human judgment. They prioritize security by keeping user data safe and processing it efficiently.

AI Writing is Morally Superior

From the New World • 75 implied HN points • 05 Dec 24
🕹 Technology Content creation AI writing Machine Learning Natural Language Media Ethics
  1. AI writing is changing the landscape of writing by making it more accessible. This means more people can share their ideas without needing the same level of skill as traditional writers.
  2. The criticism against AI writing often comes from writers who feel threatened. They think that AI takes away the uniqueness of human style, but many believe it actually helps get good ideas out to more people.
  3. AI can help present complex ideas in simpler ways. This could be beneficial, allowing more people to understand important truths that might be lost in fancy language.

🎢 LinkedIn doesn't want you to go viral

Cosmos • 19 implied HN points • 04 Mar 24
💼 Business Online Platforms Social media Creator Economy Venture Capital
  1. LinkedIn is updating its content distribution algorithm to prioritize relevant knowledge over viral content.
  2. Tools like Karat Insights are helping content creators understand their earnings and industry benchmarks.
  3. The use of AI in marketing and content production can lead to misleading experiences and scams, highlighting the importance of consumer awareness.

US tariffs and the demand for stablecoins

Klement on Investing • 2 implied HN points • 15 Jan 26
🔮 Crypto Currency Markets Stablecoins Regulation Macroeconomics Trade policy
  1. US tariffs tend to reduce global demand for dollars because they shrink the trade deficit and lower the capital account surplus.
  2. A new regulatory framework for dollar-pegged stablecoins makes it easier and safer for investors to hold dollar exposure, which can boost demand for dollar-denominated stablecoins.
  3. In countries hit by high tariffs that also have capital controls, people can’t buy dollars through banks so they rush into dollar stablecoins, driving up stablecoin demand and prices, while countries without capital controls see little change in stablecoin demand.

A Global Human Consciousness?

The Digital Anthropologist • 19 implied HN points • 04 Mar 24
📖 Philosophy Nature Humanity Technology Culture
  1. The concept of a global human consciousness, although seemingly unlikely amidst current world issues, has been a topic for centuries and may have significant impacts on our understanding of humanity.
  2. Advancements in technology, such as AI, could potentially play a role in facilitating connections and common values across societies, but it also poses risks and challenges.
  3. Humanity is evolving towards a greater awareness of our interconnectedness with nature and all living beings, suggesting a potential shift towards a more unified and conscious global perspective.

Fuses

Only Wonder Knows • 39 implied HN points • 17 Nov 23
🕹 Technology Devices Electronics Design Circuits Components
  1. Fuses are essential components for providing protection in electronic circuits by blowing up when the current exceeds a certain threshold.
  2. Fuses have specific ratings like amperage and voltage, and their behavior can be affected by factors like temperature and pulse energy.
  3. Understanding the details of fuses is crucial for designing reliable circuit boards and ensuring proper functionality.

Self-Reflective Retrieval-Augmented Generation (SELF-RAG)

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 19 implied HN points • 04 Mar 24
🕹 Technology Data science AI Machine Learning Generative AI Language Models
  1. SELF-RAG is designed to improve the quality and accuracy of responses from generative AI by allowing the AI to reflect on its own outputs and decide if it needs to retrieve additional information.
  2. The process involves generating special tokens that help the AI evaluate its answers and determine whether to get more information or stick with its original response.
  3. Balancing efficiency and accuracy is crucial; too much focus on speed can lead to wrong answers, while aiming for perfect accuracy can slow down the system.

Lending Protocol Taxonomy, part 2: Interest Rates

David’s Substack • 39 implied HN points • 16 Nov 23
💰 Finance Interest Rates Auctions Pricing
  1. Interest rates in lending protocols are usually quoted as annualized percentage rate (APR) or yield (APY).
  2. Different pricing mechanisms in lending protocols include orderbook pricing, utilization-based pricing, auctions, and manual/governance-led pricing.
  3. Protocols like Ajna and Tazz introduce innovative ways to set interest rates without relying on oracles, enabling unique functionalities.

2023 Reflections: New Additions, New Heights & Open Questions | #252

Boundless by Paul Millerd • 194 implied HN points • 06 Jan 24
💼 Business Community Building Book Publishing Self-employment Income Streams Entrepreneurship
  1. 2023 was a year of new beginnings with the author becoming a dad and experiencing financial success through book sales.
  2. The joy of parenting and the challenges it brings highlighted the importance of staying present and enjoying family moments.
  3. Balancing work and personal life, finding time for self-care, and reflecting on unexpected successes were key themes for the author in 2023.

commentary on xunzi's "enriching the state"

alice maz • 58 implied HN points • 03 Feb 25
📖 Philosophy Metaphysics Ethics Human nature Eastern philosophy Political theory
  1. Xunzi believed in the importance of hierarchy and meritocracy. He thought that the best people should lead, regardless of their birth or wealth, and that learning and self-improvement are key to being a good person.
  2. He argued that society needs clear distinctions and roles to function well. When everyone is equal in authority, it can cause chaos, so having a system with recognized roles helps maintain order.
  3. Xunzi felt that the government should help enrich its people, not just take resources from them. A successful state should create conditions for abundance, making the population better off overall.

LLM links

In My Tribe • 182 implied HN points • 29 Jan 24
🕹 Technology Human-computer interaction Artificial Intelligence Podcasts Board Games Learning
  1. Large language models (LLMs) do not work by remembering and spitting back information, but by analyzing word patterns and coding them into vectors.
  2. Artificial intelligence has significantly improved human gameplay in board games like Go, leading to more creative and strategic play.
  3. Learning from artificial intelligence in board games involves recognizing and correcting suboptimal moves, rather than trying to imitate the AI's every move.

News Cycle Yo-Yo and Eternal Soul

Tessa Fights Robots • 23 implied HN points • 15 Jul 25
📖 Philosophy Spirituality Mindfulness Metaphysics Ethics Existentialism
  1. Don't let the news control your feelings and opinions. It's important to think for yourself and not get swept up in the constant changes in the news cycle.
  2. We are more than just our physical bodies; we are eternal beings with the power to create our own reality. Focusing on this can help us navigate through difficult times.
  3. The challenges we face can be seen as opportunities for growth and understanding. Instead of getting frustrated with the world, we can find ways to bring positivity and change from within.

A Sneak Peak into New Spatial Analysis Tools

LatchBio • 23 implied HN points • 23 Jul 25
🕹 Technology Data Analysis Research tools Bioinformatics Webinars Software
  1. There's an upcoming webinar on July 29, 2025, focused on a new tool for analyzing spatial datasets. It's hosted by Takara Bio and LatchBio.
  2. The webinar will showcase various methods like image alignment and gene expression analysis, so attendees can learn about these important topics.
  3. Participants will get to see live demonstrations of how to use these new analysis methods, which can be very helpful for anyone working with the Seeker™ and Trekker™ datasets.

Grounding yourself as a programmer in the AI era, part 6

Mostly Python • 314 implied HN points • 11 May 23
🕹 Technology Development Programming AI Machine Learning Tools
  1. Programming in the AI era is undergoing significant changes.
  2. The future of programming lies between extremes: no programming needed with AI doing everything, and tools not being useful.
  3. AI tools have potential to democratize software development, but their effectiveness can be underestimated due to inconsistencies and non-deterministic nature.

The Illegible Real

What Is Called Thinking? • 53 implied HN points • 20 Feb 25
📖 Philosophy Epistemology Wisdom Education Metaphysics Knowledge
  1. Tacit knowledge, or understanding gained from experience, is very important and can't always be explained by rules or theories. It's like how a farmer knows their land or a musician feels the right moment to improvise.
  2. The world often values what can be measured and categorized, but this can miss the deeper, lived knowledge that guides real-life decisions. There's more to learning than just reading books or following formal education.
  3. In a future filled with data and technology, the ability to mix both formal knowledge and experiential wisdom will be really valuable. It's important to recognize the strengths and limitations of both types of knowledge.

The $175.3 Trillion Doomsday Clock Is Ticking – That Is The Estimated Unfunded Social Security And Medicare Liability

OpenTheBooks Substack • 170 implied HN points • 04 Mar 24
💰 Finance Social Security Medicare Government spending
  1. The estimated unfunded Social Security and Medicare liability is a staggering $175.3 trillion, which is a major financial crisis threatening the future.
  2. The funding gap for Social Security and Medicare over the next 75 years is projected to be $78.3 trillion, leading to potential options like increased borrowing, higher taxes, or reduced benefits.
  3. The $175.3 trillion gap is a result of a lack of significant reforms in recent decades, with the projection showing significant challenges with Medicare Part B, Social Security, and other programs in the future.

Expansion hack: Power Stone, Power Stone 2 (Dreamcast)

Rings of Saturn • 58 implied HN points • 05 Feb 25
🕹 Technology Software Gaming Hardware Development Debugging
  1. Power Stone for Dreamcast has a hidden debug menu for testing different features like sound and animations.
  2. Power Stone 2 also includes a debug menu that offers similar testing capabilities and extra features to explore character moves.
  3. Patches are available to access these hidden menus, enhancing the gaming experience for players who want to dive deeper into the games.

Goldman's Mid-Year Housing Outlook

CalculatedRisk Newsletter • 23 implied HN points • 21 Jul 25
💰 Finance Real Estate Housing Market Home Prices Economic Forecast Mortgage Rates
  1. High mortgage rates are keeping many homeowners from selling their homes, resulting in low existing home sales. People are reluctant to move because they don't want to lose their lower mortgage rates.
  2. The construction of new single-family homes is also expected to decline due to lower demand and increased competition from existing homes on the market.
  3. Home prices are likely to rise very slowly or remain stable over the next year, with some forecasts suggesting slight declines in prices due to rising inventory.

Sustainability

David Friedman’s Substack • 278 implied HN points • 18 Jul 23
📖 Philosophy Policy Consequences Ethics Sustainability
  1. Sustainability may not be a practical goal if it means continuing our present activities indefinitely.
  2. Defining sustainability based on future needs is challenging due to uncertainties and differing interpretations.
  3. The concept of sustainability can be manipulated to support any policy, which hinders meaningful discussions about future generations.

The Gravitational Force of Tech Money

The Future, Now and Then • 167 implied HN points • 13 Mar 24
💼 Business Finance Tech Wealth Economy Capital
  1. Gravitational impact of money increases with scale, where extreme wealth creates societal problems beyond personal purchasing power.
  2. Tech billionaires accumulating astronomical sums of money have industry-warping and societal impacts, shaping the future and institutions.
  3. The concentration of vast capital in the hands of a few leads to comical ineptitude and problems society struggles to address, highlighting flaws in the tax system.

Do Not Spend too Much Time "Getting Good" at Dealing with Current AML GPT LLMs

Brad DeLong's Grasping Reality • 169 implied HN points • 04 Mar 24
🕹 Technology Software Artificial Intelligence Data science Internet Machine Learning
  1. It's uncertain how current AML GPT LLMs will be most useful in the future, so spending too much time trying to master them may not be the best approach.
  2. Proper prompting is crucial when working with AML GPT LLMs as they can be capable of more than initially apparent. Good prompts can make tasks that seem impossible into achievable ones.
  3. Understanding the thought processes and effective way to prompt AML GPT LLMs is essential, as their responses can vary based on subtle changes or inadequate prompting.

RLHF progress: Scaling DPO to 70B, DPO vs PPO update, Tülu 2, Zephyr-β, meaningful evaluation, data contamination

Democratizing Automation • 213 implied HN points • 22 Nov 23
🕹 Technology AI Deep Learning Research Data Analysis Models
  1. Reinforcement learning from human feedback (RLHF) is a technology that is still unknown and undocumented.
  2. Scaling DPO to 70B parameters showed strong performance by directly integrating the data and using lower learning rates.
  3. DPO and PPO have differences in their approaches, with DPO showing potential for enhancing chat evaluations and happy users of Tulu and Zephyr models.

Managing the Employee Incentive Pool

Nathan’s Substack • 39 implied HN points • 15 Nov 23
💼 Business Management Startups Employee Benefits Negotiation
  1. Managing the Employee Stock Option Pool (ESOP) is crucial for startup founders to prevent further dilution and attract key talent
  2. Equity distribution should be an integral part of your hiring plan, considering factors like vesting periods, refresh grants, and employee turnover
  3. Negotiating for a lower Employee Incentive Pool (EIP) percentage in subsequent fundraising rounds can help minimize dilution impact and improve share price

OSD 330: The rise of sensorship

Open Source Defense • 28 implied HN points • 17 Jun 25
🕹 Technology Sensors Gadgets Measurement Data Analysis Innovation
  1. Sensors help us understand and measure things better. The more accurate our sensors are, the more we can improve our products and practices.
  2. In different fields, the use of sensors is at various stages. Some areas, like competition shooting, are advanced, while others, like non-lethal weapons, have much room for growth.
  3. Using objective measurements can change our understanding of different situations. By having clear data, we can make better decisions and improve our overall knowledge.