The hottest Substack posts right now

according to Hacker News
Category
Data Science Weekly Newsletter 799 implied HN points 05 Jan 24
  1. Data Science Weekly shares curated news and articles each week related to data science, AI, and machine learning. This helps readers stay updated on important trends and topics.
  2. Deepnote emphasizes using its own platform for building data infrastructure, showcasing how versatile tools can simplify data tasks. It highlights the importance of a universal computational medium.
  3. A reliable A/B testing system is essential for businesses to make informed decisions and optimize performance. Companies that use effective experimentation platforms can significantly improve their outcomes and reduce manual work.
Simon Owens's Media Newsletter 499 implied HN points 12 Aug 25
  1. Media companies are starting creator divisions to work with independent creators. This means more opportunities for people to share their content and ideas.
  2. TikTok influencers are becoming a new form of news anchor for younger audiences. They deliver news quickly in a way that fits with how younger people consume content.
  3. Creating a successful newsletter doesn't always require a strong personal brand. For example, some people focus on the quality of their content instead of promoting themselves.
lcamtuf’s thing 2040 implied HN points 09 Dec 24
  1. Photodiodes can have a wide range of response speeds, and the advertised specs often don't tell the whole story. It's important to understand how they are tested, as this can affect their performance.
  2. When building precise measurement devices with photodiodes, two types of currents play a role. One is fast, while the other can take much longer to settle down, impacting the overall signal quality.
  3. Using techniques like reverse bias can improve performance, but some effects are inherent to the photodiodes themselves. Understanding these limitations is key for achieving accurate measurements.
QTR’s Fringe Finance 56 implied HN points 20 Jan 26
  1. Financial media often mocks and belittles warnings about structural risk because their incentives favor keeping the party going, so being early on a correct call can look like being wrong.
  2. Persistent central-bank interventions, debt monetization, and yield suppression create market distortions that eventually unwind, with bond markets a likely pressure point when they do.
  3. Gold and miners acted like effective insurance against those distortions, outperforming equities and validating skeptics who warned about asset inflation.
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Contemplations on the Tree of Woe 2081 implied HN points 22 Nov 24
  1. The future of society will face serious challenges due to shrinking populations and an aging workforce. This means there may not be enough young people to do the jobs needed to maintain the economy.
  2. Energy and resources are becoming scarce, making it hard to sustain our current way of living. Fossil fuels are becoming less available, and alternative energy sources like solar and wind have limitations.
  3. Technological advances alone won't solve these problems. A major focus for future societies will be on managing what little energy and resources are left, leading to a more frugal, sustainable lifestyle.
The Social Juice 29 implied HN points 08 Feb 26
  1. Governments are ramping up regulation of social platforms and their recommendation engines. Some countries are even proposing bans for under-16s and opening investigations into AI tools.
  2. Big tech ad businesses are still making record money, with Google, YouTube, Amazon Ads and others reporting big revenue gains. At the same time companies are pouring huge sums into AI and facing slower user growth or rising costs.
  3. AI is rapidly reshaping advertising and product features, from AI-generated Super Bowl ads to agentic ad tools and chat assistants. That surge is creating new safety, legal and measurement headaches around deepfakes, moderation and publisher defenses.
The Green Techpreneur 28 implied HN points 30 Jan 26
  1. Be prepared to do whatever it takes — make big sacrifices, work relentlessly, and find ways over, under, or through the barriers in front of you.
  2. Get noticed and build reputation — actively promote your results, seek opportunities, and make small wins visible so others will support you.
  3. Stay resilient and adaptable — learn from setbacks, temper raw talent into consistent performance, and keep tweaking your approach instead of giving up.
Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots 39 implied HN points 19 Aug 24
  1. Graph-based representations are becoming popular in AI, making it easier to visualize application flows and manage data relationships. This helps in understanding complex connections between data points.
  2. There are two ways to create graph representations: one is using code to create a visual flow, and the other is using a graphical user interface (GUI) to build the flow directly. This dual approach caters to different needs and levels of user expertise.
  3. Graph data structures allow for both firm control over applications and the flexibility needed for agent-based systems. This is useful for tasks where interactions and decisions must adapt based on inputs or user approvals.
The Bottom Feeder 484 implied HN points 14 Aug 25
  1. Too much online feedback can be overwhelming and confusing. It's important to filter out negative comments to protect your mental health.
  2. Building a private community of trusted beta testers can help you get useful feedback without the noise of public opinions. These testers should be honest but respectful.
  3. Make sure your testers understand and appreciate the kind of work you do. Feedback is most helpful when it comes from people who are genuinely interested in your specific type of creation.
Yet Another Value Blog 1218 implied HN points 21 Oct 23
  1. Stock market has had a rough few months with significant declines
  2. Current market climate has a lot of fear and worry, but it might be a good time to consider buying stocks
  3. The rise in interest rates has not led to a significant stock market sell-off, suggesting stocks may still be relatively attractive
HyperArc 59 implied HN points 05 Aug 24
  1. AI can help us learn about the Olympics and analyze different aspects, like who won medals and their physical attributes. It starts with basic questions and gets more complicated over time.
  2. While AI is good at remembering information and summarizing it, it struggles with reasoning about things it hasn't seen before. This means it can't always come up with new insights without the right data.
  3. For businesses, using AI with their private data can lead to smarter insights and faster decisions. It's important to combine human knowledge with AI to make the best use of available information.
thomaswdinsmore 199 implied HN points 02 Jun 24
  1. SAS founder Jim Goodnight faces a transition in leadership and ownership as he's 82 with no children engaged in the business.
  2. Options for SAS's future include selling to employees, a corporate buyer, or private equity investors, all of which may lead to restructuring.
  3. Despite initial plans to go public, SAS has faced challenges with growth and profitability, leading to multiple delays in the IPO process.
burkhardstubert 39 implied HN points 19 Aug 24
  1. CrowdStrike made a big mistake by rolling out an untested update to all users at once, causing millions of computers to crash. They need to treat configuration updates like real code and test them properly.
  2. Delta Airlines faced huge losses because it didn’t have backup systems in place when the CrowdStrike update went wrong. Having spare systems or a better contingency plan could have minimized disruptions.
  3. Microsoft should improve its recovery methods after crashes, possibly by adopting an automatic system recovery strategy. Learning from other platforms could help avoid these issues in the future.
Kenny’s Sub 159 implied HN points 18 Jun 24
  1. It's important to understand the context of your clients' businesses. Many small businesses don't have complex plans like big corporations do.
  2. Asking detailed project questions can be unhelpful when working with smaller clients. They may only need basic support for their immediate needs.
  3. Using the right tools for each specific job is crucial. If your current skills don’t fit, it's okay to seek help or adapt your approach.
Maximum Truth 88 implied HN points 31 Dec 25
  1. AI systems made rapid, large intelligence gains in 2025 on a Mensa-style offline IQ test, with several models reaching scores in the human-intelligence range.
  2. Visual understanding improved significantly, enabling models to read and reason from images directly, which could let them gather new real-world training data beyond online text.
  3. Progress was global and diverse: open-source and Chinese models closed ground and formerly weak systems like Grok rose fast, increasing competition and reducing single-company dominance.
Enterprise AI Trends 168 implied HN points 23 Nov 25
  1. Google’s Gemini offerings are fragmented and inconsistently messaged across apps and tools, which creates user confusion and slows adoption.
  2. Google is missing obvious product opportunities — like low‑latency real‑time voice APIs, text‑to‑music, and basic chatbot memory/agent features — that would win enterprise and creator customers.
  3. Google under‑promotes shipped capabilities and developer tools (e.g., Chrome summarization, Gemini CLI) and needs stronger marketing and dev‑rel to capture mindshare.
Europe in Space 727 implied HN points 17 Jan 24
  1. Europe may face challenges in maintaining cooperation for developing future heavy launch vehicles.
  2. New players like The Exploration Company could potentially disrupt the European space industry by offering innovative solutions.
  3. European Space Agency is exploring the idea of a launcher challenge to involve commercial actors in the development of a successor to Ariane 6.
How the Hell 184 implied HN points 18 Nov 25
  1. Google put its AI buttons right on top of the document, creating a persistent distraction that breaks writers' focus and wastes ideas.
  2. The AI features are poorly integrated: suggestions appear as pop-ups you can’t easily compare, get pasted into docs messily (even breaking formatting), and the experience has become more intrusive instead of better.
  3. A new editor called Owl Editor aims to fix this by letting you write without distractions, run a review that inserts AI feedback as track-changes you can accept or reject, and gather multiple reviewer perspectives to catch factual and reasoning errors.
QTR’s Fringe Finance 21 implied HN points 16 Feb 26
  1. Bitcoin miners are highly flexible electricity consumers that can quickly shut down when the grid needs power, joining demand-response programs and earning curtailment payments.
  2. They act like distributed batteries by soaking up excess or stranded renewable energy when supply is abundant and giving that capacity back during peak demand to help stabilize the grid.
  3. In storms and other emergencies miners can sharply reduce their computing power (hashrate) to free up gigawatts for homes and critical services, making mining a practical, market-driven grid backstop.
Matt Ehret's Insights 727 implied HN points 17 Jan 24
  1. Carl Jung saw himself as a Dionysian messiah and initiate of Mithra seeking to create a new religious order.
  2. Jung preferred Mithraism over Christianity for its nature worship and viewed Christianity as antagonistic towards the beauty of the world.
  3. Jung's involvement in promoting gnostic texts and psychedelics, as well as his influence on establishing a new spiritualism, reflects his desire to overthrow Christianity and establish a new gnostic religious order.
One Useful Thing 1936 implied HN points 19 Dec 24
  1. There are now many smart AI models available for everyone to use, and some of them are even free. It's easier for companies with tech talent to create powerful AIs, not just big names like OpenAI.
  2. New AI models are getting smarter and can think before answering questions, helping them solve complex problems, even spotting mistakes in research papers. These advancements could change how we use AI in science and other fields.
  3. AI is rapidly improving in understanding video and voice, making it feel more interactive and personal. This creates new possibilities for how we engage with AI in our daily lives.
Data Science Weekly Newsletter 119 implied HN points 04 Jul 24
  1. Staying updated in data science, AI, and machine learning is essential for improving skills and knowledge. Weekly newsletters provide curated articles and resources that help you keep up with the latest trends.
  2. Effective structuring of data science teams can greatly enhance productivity. Learning from past experiences on team reorganizations can help in clarifying roles and increasing effectiveness.
  3. Building interactive dashboards in Python can make data more accessible. Using tools like PostgreSQL and specific libraries can simplify the process and enhance data visualization.
Artificial Ignorance 84 implied HN points 04 Jan 26
  1. AI leadership is no longer a U.S. monopoly—lean, well-engineered models from other countries proved they can match top performance without massive budgets.
  2. Reasoning models and AI agents improved very quickly and competition shuffled leadership often, and that progress is already reshaping work and creative industries, with entry-level roles hit hardest.
  3. The AI boom is tied up with geopolitics, chip supply, talent wars, and massive infrastructure builds, creating local backlash and hard questions about ROI and inflated valuations.
The Data Ecosystem 199 implied HN points 02 Jun 24
  1. It's important to focus on what the business truly needs from data, not just what they think they want. Conversations should help uncover real goals and challenges.
  2. Data projects often fail because teams don't ask the right questions or fully understand the business context. Engaging stakeholders regularly is key to success.
  3. A clear step-by-step process helps develop effective data solutions. Start with building a strong data foundation before moving on to more complex analytics.
Day One 519 implied HN points 02 Mar 24
  1. Quality is greater than quantity when building skills. Focus on depth and excellence in one area before branching out.
  2. Practice and sharing are crucial for skill development. Don't let fear or ego hinder you from showcasing your work and seeking feedback.
  3. Transitioning to high-demand sectors like blockchain or AI requires understanding the sector's culture and history. Put in the work to adapt and excel.
Jon’s Newsletter 179 implied HN points 09 Jun 24
  1. Coffee stocks might help protect against inflation, according to investor Bob Iaccino. He believes that investing in commodities like coffee is a smart move right now.
  2. Tesla has divided opinions among investors and analysts, making it a complicated stock to assess. While some see great potential in Tesla's future, many analysts remain cautious.
  3. Nvidia's rapid rise in market value highlights the growing importance of AI technology. Analysts suggest sticking with major players like Nvidia and AMD as they are likely to keep gaining traction.
Sunday Letters 39 implied HN points 18 Aug 24
  1. AI tools can be very intelligent and quick, but they also sometimes make things up and can be frustrating to work with.
  2. These AI coworkers are always available and eager to help, but they struggle with remembering context and prefer to start over rather than make small changes.
  3. Improving interaction with AI is important, and with better design and usability, they can become more effective and user-friendly in the workplace.
Bite code! 1957 implied HN points 15 Dec 24
  1. Using 'uv run' lets you run commands in a temporary environment without cluttering your main setup. This makes it easy to use big tools like Jupyter without installing them every time.
  2. The 'uvx' command works like 'npx', letting you test and run Python utilities quickly. It handles dependencies nicely, so you can focus on your tasks without worrying about setup.
  3. Creating scripts with 'uv init' helps you get started fast. It sets up everything you need, including project files and dependencies, making it easier to organize your Python projects.
SeattleDataGuy’s Newsletter 506 implied HN points 08 Aug 25
  1. Self-service analytics hasn't delivered as promised. Companies still struggle to find basic answers and often just switch tools instead of addressing the real issues.
  2. Dashboard fatigue is a real problem. Many dashboards go unused because they are complicated and not user-friendly, making executives reluctant to engage with them.
  3. AI is not a cure-all for self-service problems. Data needs careful preparation and clear questions from users to be effective, and many still rely heavily on traditional methods like spreadsheets.
Astral Codex Ten 2408 implied HN points 21 Oct 24
  1. You can join weekly open threads to discuss anything or ask questions. It's a great way to interact with others.
  2. There are various events and conferences coming up that focus on AI and social skills, which you might find interesting.
  3. If you entered a book review contest, make sure to check if you've received your prize. Email if you think you missed out.
Don't Worry About the Vase 1702 implied HN points 17 Jan 25
  1. Meta, the company behind Facebook, is changing how it moderates content. They want to focus more on free speech and go against past practices of heavy censorship.
  2. Mark Zuckerberg admits that past fact-checking efforts were often biased and sometimes led to the wrongful censorship of innocent posts or accounts.
  3. The new plan includes bringing back voices from the community and updating rules to allow more speech. However, there's a need for transparency about past mistakes and a way to fix them.
The Lunacian 552 implied HN points 08 Aug 25
  1. The Axie Infinity community is moving towards a decentralized governance model, giving members a real say in decision-making. This is exciting because it means everyone can help shape the future of the game.
  2. A new Axie Infinity Foundation is being formed to manage community funds and ensure they are used according to votes from the community. This foundation will help keep the community involved in how money is spent.
  3. The Axie Score will track contributions from players, helping to prioritize who gets more influence in decisions. This makes active community members feel valued and encourages more participation.
Points And Figures 586 implied HN points 30 Jul 25
  1. Markets may not have much action until the Federal Open Market Committee (FOMC) makes its announcement. Things could get interesting once they speak.
  2. Tariffs and other economic policies under the current administration seem to be showing positive results, with inflation and gas prices down. Many initial concerns have not materialized.
  3. There are questions about whether the Federal Reserve will keep interest rates steady. Some believe that lowering them could be beneficial for the economy and taxpayers.