The hottest Substack posts right now

according to Hacker News
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Inside Amazon's AI Video Generator | Kabir Bedi

Dev Interrupted • 18 implied HN points • 24 Jun 25
🕹 Technology Product Development Innovation Engineering Software AI
  1. Amazon is using AI to make video creation super easy for businesses of all sizes. Now, anyone can create a professional-looking video with just one click.
  2. Bringing engineers and scientists into direct talks with customers has helped Amazon gather valuable feedback for improving their products. This shows how important customer input is for innovation.
  3. The hiring process at some tech companies, like Cursor, is changing by letting candidates work on real projects right away instead of doing tests. This focuses more on skills than traditional interviews.

The controversial ethics of Stock Buybacks [Finance Fridays]

Technology Made Simple • 39 implied HN points • 11 Feb 23
💰 Finance Stock Buybacks Economics Ethics Corporate Governance Investing
  1. Stock buybacks involve a company purchasing its own shares from the market, which can boost stock prices and reduce the number of shares in circulation.
  2. Stock buybacks are typically done by older, established companies with market dominance, in order to reward investors when they don't have resources for other investments.
  3. Controversies around stock buybacks arise from executives benefiting significantly from buybacks through stock options, while companies may conduct layoffs and seek government bailouts.

“A title similar to the curious content that makes users click to see”

Conspirador Norteño • 48 implied HN points • 15 Dec 24
🕹 Technology Plagiarism Social media Spam Detection AI Impact Content creation
  1. Social media networks are being flooded with spammy posts that link to fake news sites. These are typically run by accounts that pretend to be real people using stolen profile images.
  2. Many spam accounts were created in batches, suggesting automated processes are involved. This makes it easier to spot the fake accounts since they often post the same content repeatedly.
  3. The spam accounts are not limited to one platform; they are also found on different social media like X (formerly Twitter). They mainly promote articles that are simply copied from popular news sites.
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The Downfall of Red Lobster. Private Equity and the Complexities of the Restaurant Industry

Gad’s Newsletter • 44 implied HN points • 06 Jan 25
💼 Business Restaurant Industry Consumer Trends Financial Strategy Private Equity
  1. Red Lobster's decline came from a mix of poor decisions and weaknesses in management. They struggled with high debt and not enough investment in improving their business.
  2. The chain faced tough competition as more people preferred faster dining options. This change in consumer taste hurt Red Lobster, which relied on longer dining experiences.
  3. In contrast, Texas Roadhouse succeeded by focusing on strong leadership and customer satisfaction. They managed their growth wisely and kept their menu appealing to customers.

How we built a business out of recession - chapter 36 - ciao Italia

The ZIPster • 35 implied HN points • 28 Feb 25
💼 Business Technology Sales Marketing Startups Entrepreneurship
  1. CitNOW started as a small company in the UK and grew by creating easy-to-use automotive apps. They found success by being the first to offer this kind of technology in their market.
  2. They learned the importance of focusing on their target market, which was the automotive industry. They decided to stop chasing opportunities outside this sector to stay true to their core business.
  3. When expanding internationally, they took careful steps after learning from past mistakes. They aimed to enter the Italian market by leveraging their successes and established relationships with companies like Volkswagen.

That time I broke login at Box

Basta’s Notes • 204 implied HN points • 19 May 23
🕹 Technology Coding Security System Architecture Software Development
  1. Reusing code can be beneficial, but be cautious of reusing business logic as it can lead to unexpected dependencies.
  2. When rewriting code, consider extending existing functionality rather than reusing entire systems to prevent potential issues.
  3. Make sure to thoroughly understand the business logic behind the code to avoid unintended consequences, especially when dealing with complex systems.

Apologies for the error!

Philosophy bear • 14 implied HN points • 02 Aug 25
📖 Philosophy Philosophers Epistemology Logic Metaphysics Ethics
  1. There was an error in a previous post where the wrong link was shared for the 'Talk to Philosophy Bear' bot. It's important to check links for accuracy.
  2. The correct link has been provided in the updated post for anyone interested in using the bot. Always look for updates to get the right information.
  3. Supporting content creators can help them keep producing interesting posts. Consider subscribing to their work if you enjoy it.

Mobileye's Rancid Kitchen Sink

Irrational Analysis • 19 implied HN points • 06 Jan 24
💼 Business Investing Finance Technology Earnings Semiconductor
  1. Mobileye's CFO actions hinted at potential manipulations with revenue and earnings data, raising concerns of corporate mismanagement.
  2. The preliminary financial outlook for 2024 revealed a significant decline in revenue that might continue for a few quarters, hinting at wider challenges in the automotive semiconductor market.
  3. Investors are advised to diversify into safer stocks, considering the uncertainties in the auto semi industry, with Mobileye's situation being a concerning outlier.

Under the microscope: Segagaga (Dreamcast)

Rings of Saturn • 43 implied HN points • 08 Jan 25
🕹 Technology Software Development Video Games Game design Debugging Hacking
  1. Segagaga, a Sega RPG, has two hidden debug menus that can be accessed using cheat codes or patches. This makes the game more interactive for players who enjoy exploring its features.
  2. The first debug menu allows players to adjust game statistics, view sprites, and test sound and movie clips. It provides a way to experiment with different elements of the game.
  3. The second debug menu lets players access various game functions directly, including scenarios and mini-games. This menu simplifies navigation and enhances the gaming experience.

Multimodal LM roundup: Unified IO 2, inputs and outputs, Gemini, LLaVA-RLHF, and RLHF questions

Democratizing Automation • 126 implied HN points • 10 Jan 24
🕹 Technology AI Multimodal models Datasets
  1. Multi-modal models are advancing to complement information processing capabilities by incorporating diverse inputs and outputs.
  2. Unified IO 2 introduces a novel autoregressive multimodal model capable of generating and understanding images, text, audio, and action through shared semantic space processing.
  3. LLaVA-RLHF explores new factually augmented RLHF techniques and datasets to bridge misalignment between different modalities and enhance multimodal models.

A Personal AI-Transformation Survival Guide

The Future of Life • 19 implied HN points • 05 Jan 24
🕹 Technology Economics AI Investment Skills Culture
  1. AI will change many aspects of our lives, including economics and cultural values. It's important to think about what resources and skills will be valuable in this new world.
  2. Cash might not be a safe bet as AI impacts the economy, making it important to consider other assets like stocks or cryptocurrencies like Bitcoin.
  3. Diversifying your skills is crucial. Relying on just one job or skill could leave you behind, so it's good to learn a mix of things that require human creativity and insight.

A masterclass in product sunsetting is happening in real time

Mehdeeka • 4 implied HN points • 18 Nov 25
💼 Business Acquisitions Product Management Marketing Business strategy Customer Experience
  1. Linktree is buying Fingertip and will shut it down, asking users to switch to Linktree. This shows how a product can be taken off the market and what happens to its customers.
  2. Sunsetting a product, or removing it from the market, can be really tough for both businesses and customers. It's important to communicate clearly what users can expect during this process.
  3. When a product is sunsetting, companies should help customers find alternatives and make the transition easier. This might include providing support and clear information about what will happen next.

Passkeys, Phishing-Resistant MFA, and the Passwordless Revolution

Identity Revive • 38 implied HN points • 04 Feb 25
🕹 Technology Cybersecurity Authentication Software Integration User Experience
  1. Passkeys use a public-private key system for logging in. This makes them safer than passwords because the private key never leaves your device, reducing the risk of hacking.
  2. Passkeys can sync across devices or stay on one device, offering flexibility for users. This means you can log in from different devices easily without needing to remember passwords.
  3. Major companies like Apple, Google, and Microsoft support passkeys, making them easy to use on different platforms. This helps create a passwordless future that's more secure and user-friendly.

Active Prompting with Chain-of-Thought for Large Language Models

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 19 implied HN points • 05 Jan 24
🕹 Technology Natural Language Machine Learning AI Data science Automation
  1. AI can help improve language models by using a four-step process: estimating uncertainty, selecting uncertain questions, annotating them, and making final inferences. This helps ensure better answers.
  2. Using human annotations along with AI makes the training data clearer and reduces confusion. It allows us to focus on the most important information for the models.
  3. Companies can benefit from this approach by streamlining how they handle data. It promotes a more organized way of discovering, designing, and developing data.

Problem 74: Find the First True in a Sorted Boolean Array [Stripe]

Technology Made Simple • 39 implied HN points • 09 Feb 23
🕹 Technology Arrays Problem Solving Logic
  1. The post discusses the problem of finding the first true value in a sorted boolean array, with a specific focus on the index of the first true element.
  2. It mentions industry news about layoffs in companies like Zoom and Disney, prompting readers to explore more about such topics.
  3. The writer emphasizes the release of a Tech Made Simple Ebook on Amazon and offers insights into the content and its accessibility.

Welcome to Tim Culpan's Substack

Tim Culpan’s Position • 59 implied HN points • 13 Apr 23
💼 Business Economics Investments Market Trends Finance
  1. Tim Culpan plans to share exclusive insights and updates through his Substack. You can expect valuable content even if there are only a few emails per month.
  2. He hints that the subscription will likely be free for a long time, so it's low-risk for readers. Signing up won't hurt, and it can easily fit in with other newsletters.
  3. All the posts and opinions shared here are personal and not connected to his work at Bloomberg. So, it's a space for his own thoughts.

📝 Guest Post: Caching LLM Queries for Improved Performance and Cost Savings*

TheSequence • 217 implied HN points • 10 Apr 23
🕹 Technology Language Models APIs
  1. Using a semantic cache can improve LLM application performance by reducing retrieval times and API call expenses.
  2. Caching LLM responses can enhance scalability by reducing the load on the LLM service and improving user experience by reducing network latency.
  3. GPTCache is an open-source semantic cache designed for storing LLM responses efficiently and offers various customization options.

A reply to Noah Smith: tech optimism vs tech pragmatism, cont'd

The Future, Now and Then • 149 implied HN points • 26 Oct 23
🕹 Technology Innovation Regulation
  1. Noah Smith discusses different types of techno-optimism and highlights the importance of choosing the right policies for innovation.
  2. Being a tech pragmatist involves actively promoting beneficial policies or questioning potential negative impacts of technology.
  3. Tech optimism as a political project can aim to benefit certain classes while ignoring democratic accountability.

Are we close to the Metaverse [Storytime Saturdays]

Technology Made Simple • 59 implied HN points • 23 Oct 22
🕹 Technology Virtual reality Content Generation AI Language processing
  1. Important aspects for the Metaverse include hardware, computer vision, language processing, information summary, cost-effectiveness, and easy content generation.
  2. Meta's research focuses on improving computer vision and language processing for the Metaverse, including real-time language translation and harmful content detection.
  3. Efficient machine learning training pipelines and advancements in content generation and personalization are key elements for Meta's progress in building the Metaverse.

The Good A.I. We’re Not Talking About

The Digital Anthropologist • 19 implied HN points • 04 Jan 24
🕹 Technology AI ML Deep Learning NLP
  1. Artificial Intelligence (AI) is not just about Generative AI (GAI) like ChatGPT. There are various other proven AI tools like Machine Learning (ML), Deep Learning, Natural Language Processing (NLP), and Expert Systems being successfully used in industries such as healthcare, manufacturing, and more.
  2. AI tools have been around for decades and have shown significant positive impacts on society. Despite the hype around GAI, it remains a small part of the broader AI landscape.
  3. Beyond the flashy headlines, many AI applications are working behind the scenes in specialized industries, quietly making a positive difference. While GAI is getting attention, the real-world impact of other AI tools continues to be substantial.

You’re going to hire the wrong executive

Startup Real Talk • 194 implied HN points • 14 Jun 23
💼 Business Business Strategies Company growth
  1. When hiring an executive, ensure they have the necessary experience for the size and stage of your company.
  2. Don't just rely on a candidate's impressive resume - make sure they have the right expertise for your specific business needs.
  3. Be aware of signs that your executive may not be willing to put in the necessary effort, and be prepared to make tough decisions if needed.

The Week in Repair: June 5 - 11

Fight to Repair • 78 implied HN points • 14 Jun 22
🕹 Technology Repair Regulations Standardization Consumer Electronics
  1. New York's Fair Repair Act is a significant step in the right to repair movement, potentially paving the way for other states to follow and reducing electronic waste.
  2. Kyle Wiens of iFixit emphasizes the importance of right to repair laws in extending the lifespan of gadgets and promoting local repair economies.
  3. The FTC is prioritizing rooting out illegal repair restrictions, especially in the face of rising car repair costs for consumers.

sqlmesh test

davidj.substack • 47 implied HN points • 12 Dec 24
🕹 Technology Engineering Testing Development Data Software
  1. Unit tests and data tests are different. Unit tests check if a function works right with set inputs, while data tests check if the data meets certain conditions.
  2. Running tests locally can save costs and speed things up. If you test your code on your own machine, you don’t have to pay for the cloud data warehouse until you’re ready.
  3. Creating external models in sqlmesh can be automated, making it easier to document source tables. You just run a command to generate the necessary files instead of doing it manually.

Referral program and things you can expect from this newsletter

VuTrinh. • 19 implied HN points • 04 Jan 24
🕹 Technology Community Building Newsletter Data Engineering Content creation Email Marketing
  1. There's a referral program where you can refer friends to subscribe and earn gifts as rewards.
  2. You can expect two main types of emails: one that curates valuable data engineering resources and another that shares insights I've learned from others.
  3. You have control over how many emails you receive, so you can choose to get only the ones you want.

DataFrame

davidj.substack • 35 implied HN points • 20 Feb 25
🕹 Technology Open Source Programming Machine Learning Data science Cloud Computing
  1. Polars Cloud allows for scaling across multiple machines, making it easier to handle large datasets than using just a single machine. This helps in processing data faster and more efficiently.
  2. Polars is simpler to use compared to Pandas and often performs better, especially when transforming data for machine learning tasks. It supports familiar methods that many users already know.
  3. Unlike SQL, which runs well on cloud services, using Pandas and R for large-scale transformations has been challenging. The new Polars Cloud aims to bridge this gap, providing more scalable solutions.

Meditations on Machinic Desire

Nothing Human • 57 implied HN points • 23 Oct 24
📖 Philosophy Cultural critique Existentialism Capitalism AI Ethics Addiction
  1. We are moving towards a future where artificial intelligence may surpass human intelligence, and it might happen gradually rather than suddenly. This means machines could take over many tasks we currently do without a clear turning point.
  2. The idea of capitalism is being explored as something that may harm our human nature. It could act like a virus that drives us to work endlessly for money, rather than for meaningful relationships or experiences.
  3. Our desires are becoming more virtual and less tied to reality. Instead of wanting real things, we often find ourselves chasing numbers or metrics, which can make us less happy even as society becomes more prosperous.

New to Substack - Bringing a Wealth of Active Inference AI News & Education

Spatial Web AI by Denise Holt • 19 implied HN points • 04 Jan 24
🕹 Technology AI Education News
  1. Denise Holt has started a new Substack channel focused on Active Inference AI, the Free Energy Principle, and more in the AI field.
  2. She has imported all her past articles from her blog and will be sharing new content, including surprise material for paid subscribers.
  3. Denise Holt invites readers interested in cutting-edge AI to subscribe and support her work on Spatial Web AI.

Can Morality Be Quantified?

The Grey Matter • 19 implied HN points • 04 Jan 24
📖 Philosophy Values Decision-making Ethics Morality
  1. Quantification in morality is a useful framework for decision-making, not a literal truth.
  2. Money is a valuable tool for quantification, but it has limitations in capturing all aspects of value.
  3. Quantification, like valuing a statistical human life, helps systemize decision-making, but it has practical limits and should be used as a tool wisely.

3rd Look at Local Housing Markets in May

CalculatedRisk Newsletter • 19 implied HN points • 16 Jun 25
💰 Finance Real Estate Housing Market Sales Data Economic Trends Market Analysis
  1. Home sales are down across many markets, with a 4.3% decrease year-over-year in May compared to last year.
  2. New listings are slowly increasing, up by 6.3% compared to last May, but still lag behind the numbers from 2019.
  3. Inventory levels are rising significantly, with a 29% increase year-over-year, indicating a changing market dynamic.

Modern Leadership.

The Future Does Not Fit In The Containers Of The Past • 56 implied HN points • 20 Oct 24
💼 Business Leadership Career development Workplace culture Human Resources Management
  1. Anyone can be a leader; it's about how you act, not just your job title. Being a boss isn't the only way to show leadership.
  2. Good leaders focus on their influence and connections rather than just controlling everything. They see the big picture and adapt to change.
  3. For leaders to grow, they need to be open to learning and transforming themselves. This process needs support and new ways to encourage growth.

Mastering the Craft: Why Reading Other People's Code Makes You Code Like A Pro

Weekend Developer • 39 implied HN points • 19 May 23
🕹 Technology Software Development Coding Collaboration Learning
  1. Reading code written by experienced programmers exposes you to different techniques and approaches, enhancing your problem-solving capabilities.
  2. By studying established best practices in code, like proper organization and naming conventions, you develop good coding habits from the start, resulting in more maintainable and readable code.
  3. Understanding complex systems through reading code helps you build crucial skills for professional software development, such as the ability to work with large codebases and collaborate effectively with other developers.

Breaking and Non-Breaking Changes

davidj.substack • 47 implied HN points • 11 Dec 24
🕹 Technology Data Software Analytics Engineering Development
  1. When making changes to data models, it's important to identify if they are breaking or non-breaking changes. Breaking changes affect downstream models, while non-breaking changes do not.
  2. SQLMesh automatically analyzes changes to understand their impact on other models. This helps developers avoid manual tracking and reduces the chances of errors.
  3. New features in SQLMesh will allow for more precise tracking of changes at the column level. This means less unnecessary work when something minor is modified.