The hottest Substack posts right now

according to Hacker News
Category
DeFi Education 859 implied HN points 22 Nov 23
  1. Crypto is a mix of two types of people: missionaries, who believe in its mission, and mercenaries, who seek profit. Both play important roles in shaping the market.
  2. Binance's CEO, CZ, is an example of someone who started looking for profit but grew to value the cryptocurrency mission. His journey shows how these roles can change over time.
  3. The recent settlement with U.S. regulators could signal a shift towards more oversight in crypto, which might make it safer and attract institutional investors, but it could also limit the freedom that originally attracted many to the industry.
The Social Juice 70 implied HN points 03 Jan 26
  1. Brands leaned into bold, attention-grabbing creative across 2025, using pop-ups, OOH, stunts and viral social films to build real brand energy.
  2. Collaborations and celebrity partnerships powered many of the biggest campaigns, and the new COLLAB Index mixes consumer data with cultural scoring so marketers can choose partners that actually move people.
  3. AI and ethics emerged as major marketing issues, with debates about AI-generated content and trust alongside more brands taking public stances on social causes.
Software Design: Tidy First? 1347 implied HN points 27 Jan 25
  1. Data can provide hints about a programmer's influence, but it can't give a clear answer. It's important to interpret the data with caution and avoid making strict decisions based solely on it.
  2. Creating files is one way to measure initiation of influence, but it's not the only factor. The impact is also determined by how frequently those files are modified by others.
  3. Using data for bonuses or promotions can lead to problems. It's better to focus on improvement and impact rather than just the numbers, to maintain a healthy team dynamic.
In My Tribe 546 implied HN points 05 Jul 25
  1. It's important to think critically and understand arguments for yourself, instead of just trusting experts.
  2. Picking the right expert to trust is hard because different experts can have different opinions on the same issue.
  3. When choosing an expert, look for someone who thinks in a way that makes sense to you and can clearly explain their views.
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Product Identity 59 implied HN points 21 Aug 24
  1. InVision is shutting down, marking the end of a significant era in design tools. Many people feel nostalgic about what InVision contributed to the design community.
  2. Despite its financial struggles, InVision played an important role in shaping design culture and education. It connected designers and provided valuable resources.
  3. The story of InVision shows that a company can have a lasting impact on its industry even if it doesn't succeed as a product. Building community is often more valuable than just providing tools.
The Bear Cave 1982 implied HN points 15 Oct 24
  1. Hindenburg Research has been accused of copying or closely mirroring reports made by The Bear Cave without giving credit. This includes similar wording and findings in their investigations.
  2. The Bear Cave has done extensive work on issues such as safety and child abuse on platforms like Roblox, which Hindenburg has also reported on without mentioning The Bear Cave's previous contributions.
  3. There are growing concerns about the ethics of Hindenburg's reporting practices, as many see it as taking credit for others' research without acknowledgment.
Black Mountain Analysis 569 implied HN points 26 Jan 24
  1. The article discusses the use of old air defense missile systems in recent wars, highlighting their continued relevance and effectiveness despite their age.
  2. Various countries have modernized the 2K12 Kub (SA-6) system, improving detection range, reliability, and engagement capabilities to extend the system's service life.
  3. In conflicts like the Yemen civil war, the 2K12 system has been utilized, showcasing potential for ambushing and targeting coalition aircraft with modified IR-homing missiles.
Software Design: Tidy First? 1237 implied HN points 14 Feb 25
  1. As organizations grow, the need for specialist skills becomes more important. It's not enough to have hobbyists; experts are needed to handle complex tasks.
  2. When specialist teams form, their priorities might clash with client teams' needs. Client teams often want quick fixes, while specialists aim for quality work.
  3. To handle increased requests, organizations should empower client teams to solve their own issues. This self-service approach helps manage workloads and creates better efficiency.
Venture Reflections 29 implied HN points 02 Feb 26
  1. The first "desert" (Funds I–III) is about survival: raising initial funds, proving your right to win, and juggling operations, investments, and LP relationships to stay alive.
  2. After you clear that phase you enter a second "desert" where the challenges shift to long-term firm questions like longevity, succession, and whether you’re truly established.
  3. The mid-stage can feel lonely and ambiguous: early peers and mentors thin out, fundraising dynamics change, and you need new advisors and skills to navigate this uncertain transition.
Irrational Analysis 339 implied HN points 30 Mar 24
  1. Nvidia's GB200 NVL72 poses an existential threat to competitors in the datacenter CPU market, offering a unique 2:1 ratio and improved integration perspective.
  2. The reintroduction of mainframes signifies a strategic move by Nvidia, with the new AI mainframe/appliance providing massive TCO advantages and performance gains.
  3. Jensen's benevolent trade offer complements technical excellence in the face of political challenges, aiming to secure Nvidia's position in the market and potentially disrupt the status quo.
The Geek Way 399 implied HN points 12 Mar 24
  1. Software proficiency is crucial in modern business - companies need to adapt and iterate quickly to stay competitive.
  2. Legacy companies face challenges in transitioning to modern software practices and may struggle to keep up with agile competitors.
  3. The 'geek way' of upgrading a company involves more than just technology - it extends to decision-making, culture, and overall organizational strategy.
Human Capitalist 458 implied HN points 18 Mar 24
  1. Several notable professionals recently changed jobs, showcasing their expertise in various industries, like AI, space, and cybersecurity.
  2. These job changes highlight the importance of strong leadership in tech and data-driven sectors, suggesting that skilled leaders can significantly impact a company's growth.
  3. Monitoring job changes can provide valuable insights for investors, recruiters, and professionals looking to network or track talent in their industry.
Resilient Cyber 79 implied HN points 16 Jul 24
  1. CISA's Red Team was able to infiltrate a federal agency and remain undetected for five months, highlighting vulnerabilities in government cybersecurity practices.
  2. The U.S. Office of Management and Budget has published new cybersecurity priorities for FY26, focusing on modernizing defenses and improving open-source software security.
  3. Google is close to acquiring the cloud security company Wiz for $23 billion, a move that could strengthen its position against competitors like Microsoft and AWS.
Don't Worry About the Vase 1881 implied HN points 07 Nov 24
  1. Trump's potential return to office could change AI policy significantly. He plans to revoke existing regulations but may not have a clear replacement, which could impact the tech landscape.
  2. Language models are becoming more important in everyday tasks, but they also face challenges. While they improve productivity, they can also lead to decreased job satisfaction for users.
  3. There is growing concern about AI's influence on politics and decision-making. Studies show that AI models can affect voters' opinions, highlighting the need for caution in how they are used.
Faster, Please! 1370 implied HN points 29 Jan 25
  1. The Doomsday Clock is getting closer to midnight, signaling the world's increasing dangers like nuclear threats and climate change. We need a new way to measure progress, like the Genesis Clock, which focuses on humanity's advancements.
  2. The Genesis Clock would celebrate achievements in technology and health, such as extending human lifespans or solving major diseases. It encourages us to look forward to positive developments instead of just fearing potential disasters.
  3. AI can be our collaborative partner, helping us work better together rather than taking jobs away. It's about designing AI that complements human skills and enhances our research and creative processes.
Peter Boghossian 1061 implied HN points 28 Apr 23
  1. The problem with peer review in academia is highlighted by the replication crisis in fields like psychology and biological sciences.
  2. Rejecting the ideas of science can lead to dangerous notions like limiting access to truth based on immutable characteristics.
  3. The shift towards woke ideology in education and social psychology has contributed significantly to the propagation of postmodernist ideas.
Musings on Markets 1059 implied HN points 19 Sep 23
  1. Instacart's upcoming IPO shows that its value has dropped significantly since the peak days of the pandemic. What was once thought to be worth over $50 billion is now expected to be valued around $9 to $10 billion.
  2. The grocery business is generally slow-growing and has very low margins. This affects how much Instacart can charge for its services and makes it tough for them to grow dramatically.
  3. Instacart now faces tough competition from grocery stores that have started their own online services. This competition is likely to limit Instacart's market share and growth in the future.
Artificial Ignorance 100 implied HN points 17 Dec 25
  1. Agents and harnesses are now the bottleneck, not just bigger models — layering planning, tools, state, and workflows on strong models is what’s unlocking reliable multi-step behavior in real products.
  2. The core LLM primitives (tool use, search, code sandboxes, file editing, memory, personas) have mostly settled, and the next big win is standardizing interfaces and conventions so developers can wire them together consistently.
  3. Interactions are moving beyond turn-based chat toward always-on, real-time collaboration where humans and AI co-edit and co-operate, and better UX plus streaming/agent orchestration will make that feel natural.
Simon Owens's Media Newsletter 424 implied HN points 08 Aug 25
  1. Many news publishers are becoming too reliant on Google Discover for traffic, which can be unpredictable and not as valuable as it seems. This can lead to a cycle of chasing trends without producing meaningful content.
  2. Writing and selling books can be tough for authors because the financial rewards are often not worth the effort put in. Many writers find that they make much less from book sales compared to what they earn in their regular jobs.
  3. For publishers to succeed today, focusing on building a loyal audience and diversifying their income streams is crucial. This can include prioritizing paid subscriptions, newsletters, and community engagement.
TK News by Matt Taibbi 1326 implied HN points 31 Jan 25
  1. Financial scams are expected to impact big businesses in various ways by 2025. Companies will need to be more aware of these risks.
  2. There will be discussions on how different sectors, like private equity and tech, handle these scams. These sectors are likely to face unique challenges.
  3. A virtual summit is happening where experts will talk about these trends and share insights. It's a chance for everyone to learn and ask questions.
The Future Does Not Fit In The Containers Of The Past 65 implied HN points 28 Dec 25
  1. Time is our most important and limited asset. How we spend our days ultimately shapes the life we get to live.
  2. Big gains in careers and projects come from patience and steady effort over years, not just short bursts of intensity, so lengthen your time horizon and be persistent.
  3. Everything is impermanent, so losses are inevitable—notice and cherish what you have, take chances, make memories, and keep embracing change.
Jon’s Newsletter 59 implied HN points 29 Jul 24
  1. Tech stocks have faced some tough times lately, with a drop in the NASDAQ 100. Investors are cautious and waiting to see how major companies perform in their earnings reports.
  2. During election years, financial and tech stocks typically do well, showing good returns. This trend is backed by past market behaviors where these sectors get investor attention.
  3. Investing in copper appears shaky right now due to issues in China’s property market, but experts still believe in its long-term potential, especially linked to renewable energy needs.
Polymathic Being 47 implied HN points 18 Jan 26
  1. Good leadership already includes both service and direction, so carving out a separate "servant" category is unnecessary and can encourage people to skip core leadership duties.
  2. Overemphasizing the "servant" label often produces passive-aggressive leaders who avoid giving direction, confronting problems, or taking responsibility, which creates confusion, delays, and erodes trust.
  3. The remedy is to simply be a balanced leader: serve your team while also setting direction, enforcing standards, making hard calls, and adapting your approach to context.
David Friedman’s Substack 548 implied HN points 14 Jul 25
  1. There's a key difference in how people view politics. Some see it as a battle between good and evil, while others think it's more about ideas that are right or wrong.
  2. When discussing problems in society, it's important to consider evidence and outcomes instead of just taking sides. Understanding the consequences of different policies can lead to better solutions.
  3. Sometimes beliefs about the world can blind people to facts. Instead of assuming only one viewpoint is right, it's better to stay open-minded and think critically about different perspectives.
Sunday Letters 59 implied HN points 28 Jul 24
  1. Focus on building the essential tools and infrastructure first. These are often overlooked but are crucial for long-term success.
  2. Reaching for groundbreaking goals is important, but make sure the technology is ready. Many ideas are great, but timing matters.
  3. While big ideas attract attention, don't forget about solving smaller, tougher problems that can support those ideas. Both are important for progress.
SeattleDataGuy’s Newsletter 447 implied HN points 31 Jul 25
  1. Focus on mastering just a couple of technologies each year instead of trying to learn everything at once. It’s better to really understand a few tools well than to have a surface-level knowledge of many.
  2. Start with the basics that won’t go away, like SQL and core principles of data management. New tools can come and go, but some fundamentals will always be important.
  3. Build side projects or engage in real work opportunities to apply what you've learned. Practical experience is one of the best ways to deepen your understanding of data tools.
Day One 479 implied HN points 17 Feb 24
  1. Choose a platform that fits your content format and engage with your community to build a loyal following.
  2. Creating products/services should revolve around solving your community's problems, listen to their struggles and offer solutions.
  3. Consistently create quality content, engage with others, and focus on helping people to build a successful online brand.
Bite code! 1957 implied HN points 25 Oct 24
  1. Python 3.13 introduces improvements in debugging tools like PDB, making it easier to work with errors and set breakpoints. This is a big win for developers who rely on debugging in their workflow.
  2. The shutil module has seen many bug fixes and enhancements, which means working with files and directories will be more reliable. Developers can finally use it without constant worries about it failing.
  3. There are small but useful updates for concurrency in Python, such as changes to asyncio and task management. These little updates add up to make handling multiple tasks easier and more efficient.
Invariant 609 implied HN points 14 Jan 24
  1. 22nd Century Group focused on developing low-nicotine cigarettes but didn't consider if consumers wanted the product.
  2. The company struggled with profitability and faced challenges even after receiving authorization for their products.
  3. Shifting focus to a different product with conventional nicotine levels came too late for the company to recover.
rebelwisdom 1277 implied HN points 18 May 23
  1. Artificial intelligence is advancing rapidly and poses a threat to jobs in various professions.
  2. Creativity is a complex process that involves combining elements and requires a human understanding of meaning.
  3. While AI can mimic creativity, true creativity is a deeper, more nuanced connection to reality that goes beyond mere replication.
Software Design: Tidy First? 1259 implied HN points 07 Feb 25
  1. Not everything in life can be measured or compared. Some experiences, like special family dinners or random acts of kindness, are unique and important in ways that numbers can't capture.
  2. Money can create options for us, but not all money is equally valuable for choices. Having enough savings can open up more possibilities, but beyond a point, additional money may not significantly change your options.
  3. Freetime is valuable because it allows you to choose how you spend your time. More freetime means more opportunities to pursue interests, but sometimes a little extra isn't as important once you reach a comfortable level.
The Algorithmic Bridge 626 implied HN points 24 Jun 25
  1. YouTube Shorts gets over 200 billion views every day, showing how much time people spend watching them. But that high number raises concerns about how this attention is being used.
  2. Many tech creators focus on making money rather than improving people's lives. This leads to products that can harm instead of help, especially for younger users.
  3. There's a growing pushback against technology that doesn't benefit society. People are becoming aware and rejecting approaches that prioritize profits over well-being.