The hottest Technology Substack posts right now

And their main takeaways
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Top Technology Topics

Why social media should give users control over their algorithms

The Kahneman Bot • 19 implied HN points • 05 Mar 23
🕹 Technology Algorithms E-commerce Social media Tech Platforms
  1. Users trust and use algorithms more when they have control over them, despite the benefits algorithms offer.
  2. In product design, be cautious about taking autonomy away from users as it can hinder their happiness and decision-making.
  3. Data-driven products should consider giving users more control over algorithms to improve trust, engagement, and overall value.

Problem 26: Remove K digits to create smallest number[Microsoft]

Technology Made Simple • 59 implied HN points • 23 Feb 22
🕹 Technology Coding Algorithms Interview Prep
  1. Given a non-negative integer as a string, you can remove k digits to form the smallest number.
  2. Removing specific digits strategically can create the desired smallest number, as illustrated in the examples.
  3. It's important to consider string manipulation, integer typecasting, and a greedy approach when solving this type of problem.

Episode 34: Better Built By Burkhard

burkhardstubert • 39 implied HN points • 16 Jan 23
🕹 Technology Software Licensing Compliance Open Source Embedded Systems
  1. Combining libraries with incompatible licenses can lead to legal issues, meaning you can’t deploy the software without violating at least one license.
  2. If you use any library under GPL, your whole software must also be GPL, meaning you have to share your source code, which may not be ideal for businesses.
  3. Carefully check which licenses apply to the libraries you use, especially with frameworks like Qt, as some combinations can be illegal or unpredictable.

Meaning-making makes us human (for now).

The Uncertainty Mindset (soon to become tbd) • 39 implied HN points • 18 Jan 23
🕹 Technology AI Machine Learning Humanity Innovation Philosophy
  1. Humans create meaning, and that's what makes us unique. Unlike machines, which can mimic behavior, true understanding of meaning is still a human skill.
  2. As technology advances, our definition of what it means to be human may change. When machines can make meaning, we might need to rethink our ideas of human-ness.
  3. Engaging in discussions about uncertainty can help us explore our thoughts and beliefs. It's important to challenge ideas and learn from different perspectives.
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Back to First Principles | Productiv CTO Ashish Aggarwal

Dev Interrupted • 28 implied HN points • 29 Oct 24
🕹 Technology Software Development Cloud Computing Startup Culture Developer Productivity Artificial Intelligence
  1. Developers have 'bad days' when tools fail, processes are messy, or team communication is weak. Senior devs often feel frustrated with organization problems, while junior ones may take failures personally.
  2. The term 'zombiecorn' describes startups worth over $1 billion that struggle to grow and find their market. They often have high spending, depend heavily on funding, and face challenges with customer growth.
  3. Google is working on an AI called Project Jarvis that could take control of your browser to do tasks. But there's concern it might make Google's other services, like Search and Maps, less reliable.

Workflows Give Purpose to APIs

The API Changelog • 1 implied HN point • 31 Dec 25
🕹 Technology APIs Workflows Automation Integration Developer Tools Product Design Software Engineering
  1. Workflows turn abstract CRUD APIs into meaningful, user-focused operations by combining multiple low-level requests into a single higher-level action.
  2. A workflow operation like “onboard” can hide database details, perform lookups and validations, and make integration much easier for consumers.
  3. Workflows let teams adapt generic APIs to real use cases and prototype new operations quickly, and they enable non-technical people to define or iterate on behaviors without changing the underlying API.

Repair-flation? Apple Continues Cost Increases of Battery Replacements - Week in Repair

Fight to Repair • 19 implied HN points • 04 Jan 23
🕹 Technology Repair Right-to-repair Environmental Impact
  1. Apple is increasing the costs of battery replacements for iPhones, iPads, and Macs, making it more expensive for users to get their devices fixed.
  2. Apple strategically makes repair difficult and expensive by limiting third-party repairs through software locks and pricey authorized service, pushing users towards upgrading instead of repairing.
  3. In a market where competition is scarce, like smartphones, rising repair costs will likely drive more people to repair by necessity rather than choice, showcasing the need for affordable repair options.

Baidu's Ernie Bot: Trying to Ern the Chatbot Crown *

Tech Buzz China Insider • 19 implied HN points • 14 Apr 23
🕹 Technology Artificial Intelligence Chatbots Machine Learning Cloud Computing Tech industry
  1. Ernie Bot by Baidu competes in the AI chatbot market, facing challenges but promising multi-modal capabilities and potential in China's AI landscape.
  2. Baidu leads in LLMs in China but lags behind OpenAI in model power, aiming to monetize Ernie Bot through enterprise solutions and expecting a revenue of up to 1 billion RMB in 2023.
  3. Large AI model training costs offer tech giants an advantage, while Baidu navigates export controls & domestic AI GPU options to meet China's AI needs.

An AI video model you can play like a game

Reasons to Be Optimistic • 8 implied HN points • 10 Jul 25
🕹 Technology AI Media Gaming Entertainment Innovation
  1. Interactive video lets you watch and interact with content at the same time, making it feel like a game. This means each viewer can have a unique experience based on their choices.
  2. Unlike traditional media which is pre-made, interactive video is generated in real-time. This makes every viewing fresh and personalized, as the video responds to what you decide to do.
  3. Creating interactive videos is cheaper and faster than making regular movies or games. Once the AI is set up, producing content is mostly about how much computer power you use, making it more accessible for everyone.

Announcing the 2025 Cyber 150

The Security Industry • 21 implied HN points • 13 Jan 25
🕹 Technology Cybersecurity Data security Investment Software Development Threat intelligence
  1. The 2025 Cyber 150 list highlights the fastest growing midsize cybersecurity companies, showcasing how many of them have expanded significantly over the last year.
  2. Dopple was the standout performer, increasing its headcount by 217%, which shows that some companies can grow rapidly even in a competitive market.
  3. Overall, these companies have raised a total of $8.6 billion in funding, and their success attracts even more investment, allowing them to grow and hire more employees.

In the garden with NixOS and XMPP

Type Classes • 100 implied HN points • 30 May 23
🕹 Technology Server Management Messaging Linux
  1. The post discusses a project involving NixOS and XMPP, focusing on setting up a server for sending messages to oneself.
  2. It delves into systemd service configuration and how to follow along if you have a NixOS server or just want to explore what NixOS is capable of.
  3. Readers are encouraged to subscribe to Type Classes for a 7-day free trial to access the full post archives and learn more about the project.

pip install sqlmesh-cube

davidj.substack • 23 implied HN points • 19 Dec 24
🕹 Technology Software Programming Data Development Systems
  1. A new package called 'sqlmesh-cube' is available for anyone to use. You can easily install it with pip.
  2. This package helps create a CLI command that outputs JSON, showing how sqlmesh models relate to each other. It's important for building a semantic layer.
  3. This was the author's first package, and they learned a lot about the publishing process along the way. They are open to feedback and requests for updates.

AI Gold Rush Begins

Sector 6 | The Newsletter of AIM • 19 implied HN points • 15 Jun 23
🕹 Technology AI Startups Investing Funding Innovation
  1. There's a huge amount of money being invested in new AI startups, like Mistral AI, which raised $113 million right after starting. This shows how eager investors are for opportunities in AI.
  2. New funding records are being set often, with other startups like Anthropic and Cohere also raising significant amounts. This trend highlights the growing interest and belief in AI's potential.
  3. Founders feel they can pivot their businesses quickly towards AI to attract funding. It seems there's a path to raise large amounts of money with just a small starting investment.

Hybrid Technology is better than ICE

TP’s Substack • 26 implied HN points • 17 Nov 24
🕹 Technology Electric Vehicles Aerospace Defense technology Energy Efficiency
  1. Hybrid technology, like plug-in hybrids, is better for many situations than traditional gasoline engines because they can be more efficient and provide longer ranges.
  2. Electrical systems in hybrid vehicles are more compact and can react faster, making them easier to integrate with advanced technology.
  3. There is growing interest in hybrid technology for various applications, including air travel and military vehicles, as they are seen as more efficient compared to fully battery electric options.

sqlmesh cube_generate build part 2

davidj.substack • 23 implied HN points • 18 Dec 24
🕹 Technology Data Models Command-line Software Development
  1. The main goal is to create a command that generates metadata to build a semantic layer for SQL models. This is important because it helps in understanding the structure and relationships within the data.
  2. AI can enhance the process by taking the generated metadata and improving it for better usability. Using tools like OpenAI can make the process easier and faster.
  3. There's an ongoing focus on creating practical solutions rather than aiming for perfection. It's okay to make adjustments and improvements along the way as you learn what works best.

Unmasking Imposter Syndrome in Software Developers: Why Do Even the Best Doubt Themselves?

Weekend Developer • 19 implied HN points • 26 May 23
🕹 Technology Software Development Imposter syndrome Psychology
  1. The tech industry is constantly changing, with new technologies and programming languages being developed regularly, leading to feelings of inadequacy among software developers.
  2. The tech industry is competitive, making it challenging for developers to stand out and potentially creating feelings of insecurity and fear of being replaced.
  3. Setting high expectations and fear of failure can contribute to imposter syndrome in software developers, as well as comparing oneself to others and attributing success to external factors.

Space Industry Stories and Fibs

Ill-Defined Space • 19 implied HN points • 07 Feb 25
🕹 Technology Space Industry Engineering Innovation Aerospace Market Trends
  1. Some claims in the space industry are exaggerated or misleading, often to attract investment or support without solid proof. It's important to be critical of what you hear.
  2. Cheap launches are often a myth; while SpaceX may offer lower prices, many other companies do not match that, and the real cost can be hidden.
  3. Many small satellite launchers struggle in the market because they face tough competition and higher costs. The trend is shifting back towards larger rockets that can handle multiple satellites at once.

The art of making Simplifying Assumptions[Technique Tuesdays]

Technology Made Simple • 39 implied HN points • 26 Jul 22
🕹 Technology Problem Solving Math Programming Artificial Intelligence Software Engineering
  1. The technique of making simplifying assumptions can help in problem-solving in various areas like System Design, Competitive Programming, and Math.
  2. Loosening computational constraints and accepting tradeoffs in performance metrics can lead to more optimal solutions by focusing on key aspects rather than trying to solve everything at once.
  3. Reducing scale, simplifying input, and picking optimal battlegrounds are strategies to make problem-solving more manageable and effective by breaking down complex problems into simpler components.

Level Up Your Video Meetings: The Game-Like Magic of Virtual Frosted Glass App

MeetingGlass Substack • 1 HN point • 22 Jul 24
🕹 Technology Software Communication Remote work Innovation User Experience
  1. The MeetingGlass app makes video meetings feel more real and engaging. Its frosted glass design adds elegance and privacy, making discussions more comfortable.
  2. It includes fun, game-like features that liven up long meetings. This makes it easier to stay focused and enjoy conversations with teammates.
  3. The app is easy to use for everyone, regardless of tech skills. It helps improve communication and creativity in remote work settings.

Things more likely than Google paying Russia $2 undecillion

The Rectangle • 28 implied HN points • 01 Nov 24
🕹 Technology Tech news Gadgets Streaming AI Business Trends
  1. Russia fined Google an outrageous amount of $2 undecillion for banning its propaganda channels. This fine is way more than the entire world's economy!
  2. Despite the crazy fine, Google isn't worried at all. They think these legal matters won't hurt their business one bit.
  3. There are many unlikely things that could happen, like batteries in all gadgets being easily replaceable or artists getting paid fairly by music streaming services.

Bonus Clouded Judgement - Inference Time Compute

Clouded Judgement • 20 implied HN points • 28 Jan 25
🕹 Technology AI Computing Machine Learning Software Innovation
  1. DeepSeek has released a new AI model called R1 that is smaller, cheaper, and faster, while still being able to handle complex reasoning tasks. This marks a shift in how AI models are being developed and used.
  2. Inference-time compute is becoming increasingly important, as it refers to how much computation power models need to think and solve problems after being trained. This can lead to a significant increase in the demand for compute resources.
  3. There's an ongoing debate about the future of AI models—whether smaller, efficient models or larger, more powerful ones will dominate. Both types have their advantages, and it seems likely that we'll see a balance of both in the market.

The Birth of OpenAI Nemesis

Sector 6 | The Newsletter of AIM • 19 implied HN points • 14 Jun 23
🕹 Technology AI Open Source Innovation Startup Investment
  1. Open source AI is becoming important in the AI world. It means more people can access and contribute to AI technologies.
  2. Mistral AI, a new player in the field, recently raised a lot of money to develop their own open-source AI. Their goal is to create AI that is useful and widely available.
  3. Several experienced researchers are behind Mistral AI, showing that the competition against big companies like OpenAI is growing. They plan to release their first AI models next year.

AI+You

Subsack • 4 implied HN points • 03 Oct 25
🕹 Technology AI Economics Automation Entrepreneurship Investment
  1. AI is not rapidly improving itself on its own. Most advancements come from human decisions, so there's no immediate threat from an out-of-control AI.
  2. Jobs are changing, but most people won't lose theirs right away. Some industries will feel pressure, while others like healthcare may see more collaboration with AI technology.
  3. There's a lot of excitement about AI, especially for new businesses. It's easier for entrepreneurs to create products using AI tools, and this could lead to significant innovations.

A Note on the Changing Faces of (D)ARPA

The Good Science Project • 22 implied HN points • 31 Dec 24
🕹 Technology Research Military Innovation Bureaucracy History Regulation
  1. DARPA has undergone significant changes over the years due to increased oversight and bureaucratic rules, impacting how projects are managed and funded. Initially more flexible, DARPA now operates under stricter regulations that slow down decision-making.
  2. The role of leadership has evolved where major visions for projects often come from office directors rather than project managers. This shift affects how projects are pursued and who gets to drive new ideas.
  3. Timelines for project payoffs and the focus on military needs greatly influence which projects get started and how they develop. Changes in political climates or military demands can quicken or slow down the pace of innovation at DARPA.

Apple's AI Strategy in a Nutshell

Enterprise AI Trends • 43 HN points • 11 Jun 24
🕹 Technology AI Trends Data Privacy Voice Assistants
  1. Apple is taking AI seriously and has built its own data center to support its AI projects. This means they have more control and can create better AI experiences for users.
  2. Apple's Siri is expected to become more useful with new features that allow it to perform tasks hands-free, which could lead to a significant increase in AI usage among everyday people.
  3. Apps may struggle to get noticed as Siri might execute tasks without users needing to open them. This could limit how users interact with individual applications.

Using calc() to create responsive typography

Perspectiv | LAB • 1 HN point • 22 Jul 24
🕹 Technology Web Design CSS User Experience
  1. The `calc()` function in CSS helps you do math for styling, making it easier to set font sizes for different screens.
  2. By using something like `font-size: calc(1.5rem + 1vw)`, the text size grows with the screen size, creating a more adaptable design.
  3. You can also use `calc()` to set limits on font size, ensuring your text doesn't get too big or too small on any device.

Shakeup Seen In Foundry Rankings

Semiecosystem • 2 HN points • 14 Jun 24
🕹 Technology Industry Trends
  1. There is a major shakeup in the semiconductor foundry business with China's SMIC moving up in the ranks.
  2. TSMC remains the leader in the foundry business, while other vendors like Samsung and Intel are close contenders.
  3. The demand for AI servers is strong, but other markets like automotive and smartphones are experiencing sluggish growth in the foundry industry.

TikTok’s Hidden Playbook: Why Short Video Is Eating the World (Again)

Divinations • 18 implied HN points • 19 Feb 25
🕹 Technology Social media Content creation Digital marketing User engagement
  1. TikTok is more than just a social app; it's changing how we interact with content and brands. It's not just about watching videos; it's about building connections and trust with creators.
  2. Short-form video content is reshaping how we seek information and shop online. Many younger people now prefer TikTok for product searches over traditional sites like Google.
  3. TikTok encourages creativity and collaboration among users. Its features let people remix each other's content, making it a fun community where everyone can participate and contribute.

The "Three-Hills" Model for evaluating GPT startups

Assisted Everything • 110 HN points • 27 Mar 23
🕹 Technology Startups Artificial Intelligence Business Models Data Privacy
  1. GPT-powered startups need to overcome 3 obstacles for long-term success: Productivity Enhancements, Non zero-sum-game Value, and Moat = Value from Context.
  2. Applications of GPT fall into 3 levels of success: Productivity Hill, Tug-of-War Valley, and Value Peak.
  3. To succeed, GPT companies must reach Level III by building a moat that generic GPT-applications can't compete on.

Indexing/Querying strategy with BoltDB

Hasen Judi • 107 implied HN points • 31 Mar 23
🕹 Technology Database Querying Performance Flexibility
  1. In a B-Tree based storage system like BoltDB, you need to be explicit about indexing and querying data, unlike relational databases that automatically handle indexing.
  2. By maintaining bidirectional mappings between terms and targets, and incorporating priorities for sorting, you can efficiently retrieve and sort data without unnecessary overhead.
  3. BoltDB enables indexing data by any criteria, offering flexibility in ranking objects and improving relevance in search results, while eliminating the overhead associated with SQL databases.

2024-06-14-Smallness

Paul’s Substack • 2 HN points • 14 Jun 24
🕹 Technology Programming Functional Programming Efficiency
  1. Simplify type checks to optimize CPU performance. For example, using indices for type testing can be more efficient than complex branching.
  2. Functional Programming allocates data on a stack in LIFO order, simplifying garbage collection. This approach can lead to more efficient memory management.
  3. Atom interning, creating atoms only once, can be optimized using hash-table strategies for memory efficiency.

Writeup System Design — Backend for Google Photos[Systems Design Sundays]

Technology Made Simple • 39 implied HN points • 24 Jul 22
🕹 Technology System Design Backend Interviews Engineering
  1. To ace System Design Interviews, read/watch more system design mock interviews on YouTube, engineering blogs, and learn about important technologies/concepts.
  2. When designing a system like the backend for Google Photos, start with domain analysis, note requirements (functional and non-functional), expected load/performance, and user profiles for valuable solutions.
  3. Engage with the content you find helpful by liking, sharing, and offering feedback to creators. It helps them reach more people and improve their work.

The need for beautiful code

Wednesday Wisdom • 56 implied HN points • 28 Feb 24
🕹 Technology Software Engineering Code Quality Code Reviews Maintenance Team Collaboration
  1. Investing time in writing beautiful code is crucial for code longevity and maintainability.
  2. Code that 'mostly works' is not the standard to aim for; focus on creating code that is always functional and meets significant requirements.
  3. Developing a culture of producing beautiful code in a team requires more than guidelines and prizes; it involves a collective shift in mindset and commitment.

AI Roundup 054: Ten million tokens

Artificial Ignorance • 58 implied HN points • 16 Feb 24
🕹 Technology AI Regulation Models Tools Research
  1. Google introduces Gemini 1.5, a powerful model with a context window of up to 10 million tokens, promising significant improvements in AI capabilities.
  2. OpenAI releases Sora, a text-to-video model that can create photorealistic videos and simulate the real world, showcasing advancements in video generation technology.
  3. US Patent and Trademark Office states that AI cannot be named as a patent inventor, aligning AI with being a tool and not a creative entity, impacting patent regulations and inventorship.