The hottest Substack posts right now

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Why I’m excited about AI-assisted human feedback

Musings on the Alignment Problem • 459 implied HN points • 29 Mar 22
🕹 Technology AI Evaluation Automation Machine Learning Feedback
  1. The use of reinforcement learning from human feedback (RLHF) has been successful in aligning models with human intent like following instructions.
  2. Training AI systems on tasks that are hard for humans to evaluate may not be directly solvable with RLHF due to challenges in generalization and evaluation.
  3. AI-assisted human feedback, like recursive reward modeling (RRM), can help tackle complex tasks by involving human evaluation in aligning AI systems.

An Introduction To DSPy

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 19 implied HN points • 28 May 24
🕹 Technology Artificial Intelligence Programming Machine Learning Prompt engineering Software Development
  1. DSPy is a programming tool that simplifies how we work with language models by separating the tasks from the prompts. This means you tell DSPy what to do, not how to do it.
  2. It uses something called 'signatures' to describe tasks in a simple way, which helps in generating and optimizing prompts automatically. This reduces the need for manual prompt crafting.
  3. DSPy offers an iterative workflow for optimizing language tasks, making it suitable for complex applications. It can improve performance with minimal effort by tweaking how it uses language models.

Making Sense of Consciousness Part 8: Summing Up

Rough Diamonds • 13 implied HN points • 26 Nov 25
📖 Philosophy Consciousness Perception Self Sentience Language
  1. Consciousness involves three main ideas: noticing things, being awake, and having a sense of self. Noticing things is the most important part.
  2. Being conscious helps us make better choices by understanding our own abilities and how they relate to our environment. It allows us to be cautious when we need to be.
  3. Pain and pleasure are conscious experiences that help us react to situations, but it's possible to perceive injury without suffering from it. Consciousness can vary, and this is an important aspect of our understanding of sentience.

Just Don't Be Stupid

Polymathic Being • 65 implied HN points • 29 Jun 25
📖 Philosophy Stoicism Self-help Critical Thinking Cognitive Science Systems theory
  1. Inversion is about looking at problems from a different angle to avoid mistakes. Instead of just chasing success, think about what could go wrong and how to prevent it.
  2. Applying inversion helps in both technology and psychology by allowing us to see potential failures. This way, we can develop better solutions and reduce fear of the unknown.
  3. A key part of inversion is acknowledging negative outcomes. By thinking about what we dread and planning for it, we can manage life's ups and downs better.
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5 learnings from making UX less annoying for 20M+ users

CommandBlogue • 19 implied HN points • 28 May 24
🕹 Technology User Experience Product Design Data Analysis Software Development Customer Engagement
  1. Users don't easily forget bad experiences, like annoying pop-ups. Once trust is lost, it's hard to regain, so it's important to be careful with how you present information to them.
  2. Beautiful design attracts users and keeps them engaged. Nowadays, a nice look matters just as much as solving a problem, since many products are similar.
  3. Users prefer having multiple options. If they feel like they don't need help at first, they might still end up needing it later, so providing a way for them to revisit guides is key.

Scaling human feedback with fine-tuned open-source LLMs

LLMs for Engineers • 59 implied HN points • 30 Jan 24
🕹 Technology Machine Learning Data science Open Source AI
  1. Fine-tuned open-source models like Llama and Mistral can produce accurate feedback, similar to high-performing custom models. They're a great option for companies needing control over their data.
  2. Using tools like Axolotl and Modal makes it easier to fine-tune these models. They help create customized training jobs and simplify deploying models across multiple GPUs.
  3. Fine-tuning significantly improves the clarity and structure of the model's output. It reduces irrelevant information, allowing for cleaner, more useful results.

From AARRR to BBB funnels

Gentle Nudge • 19 implied HN points • 28 May 24
💼 Business Behavior Marketing Optimization Benefits
  1. Funnel optimization involves analyzing stages, generating hypotheses, and considering user feedback to improve user experience.
  2. The 3B framework, focusing on Behavior, Barriers, and Benefits, helps adjust products from the users' perspective for better engagement.
  3. Identify potential barriers in the user journey, offer small incentives, like progress indicators, and align call-to-actions with expected results to enhance user motivation.

Console #190 - Coolest Open Source projects of the week 🔥

Console • 472 implied HN points • 01 Jan 24
🕹 Technology Open Source Mobile Apps React
  1. The post features coolest open source projects of the week, including mobile apps, music streaming, React, and other software.
  2. Projects like Inure, Plasmic, and Dockge showcase innovative solutions and technologies in the open-source community.
  3. BlackHole, Twenty, and Plate are examples of projects with significant stars and potential impact, like a music player app, a modern alternative to Salesforce, and a rich-text editor for React.

Has TikTok improved its revenue share for creators?

Simon Owens's Media Newsletter • 199 implied HN points • 01 Nov 24
💼 Business Revenue Models Content creation Social media Media Digital marketing
  1. TikTok has raised its revenue share for creators, allowing them to earn more money for their popular videos. This is a big improvement compared to past payment models where payouts were very low.
  2. Many creators and entrepreneurs are finding success by selling products related to their content, showing that building a brand can lead to financial opportunities beyond just ad revenue.
  3. Platforms like Google Discover are helping publishers counteract declines in traffic from traditional search, showing the changing landscape of content distribution and discovery.

A Short History Of RAG

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 39 implied HN points • 22 Mar 24
🕹 Technology Data processing AI Machine Learning Language Models Software Development
  1. Retrieval Augmented Generation (RAG) helps improve how language models work by adding context to their responses. This means they can give more accurate answers based on the information provided.
  2. Language models can show surprising abilities, called emergent capabilities, but these usually depend on the context they receive. If they get the right context, they can solve problems and adapt better.
  3. To get the best results from language models, it's important to provide them with the right information at the right time. This makes their answers more relevant and helps them understand what’s being asked.

I Screwed Up. Here's What I Learned.

The Radar • 39 implied HN points • 22 Mar 24
💼 Business Administration Leadership Management
  1. Strong leadership is not always sufficient. It's important to balance leadership, management, and administration.
  2. Avoid neglecting any of the three leadership imperatives for too long. Juggling them dynamically is crucial.
  3. Leadership involves more than just love. It requires a combination of heart, brain, and bones to be effective.

Claude's Shmuck is Bigger!

In My Tribe • 394 implied HN points • 13 Mar 24
💼 Business Industry Trends Mergers Business strategy Machine Learning Technology
  1. In the realm of machine learning, size isn't everything. Intelligence is seen as a continuous process, not just about having the largest model.
  2. Rather than betting on one ultimate model, the future may hold multiple specialized uses for machine learning, like in medicine where different applications can thrive.
  3. Building specific applications in machine learning could be more successful than pursuing a one-size-fits-all approach, as seen in historical business scenarios.

14 actionable CRM tactics for early-stage SaaS founders

Startup Business Tips 🚀 • 51 implied HN points • 27 Jul 25
💼 Business SaaS CRM Startups Sales Marketing
  1. Having a clear and updated CRM helps keep all your customer information organized. This way, everyone in your team can access the same data in real-time.
  2. It's important to track all interactions with clients, like calls and emails. This gives you better insights on moving deals forward and improving your sales process.
  3. Avoid common mistakes like not defining deal stages and not tracking lost reasons. These can lead to missed opportunities and unclear data about your sales performance.

Do You Need Help Decoding What’s Going on with TikTok?

Technically Optimistic • 39 implied HN points • 22 Mar 24
🕹 Technology Tech regulation Tech Companies Data Privacy AI Social media
  1. Growing concerns about TikTok involve data privacy and control due to its Chinese ownership.
  2. Forcing a sale of TikTok raises debates about data privacy, potential sale complications, and the influence of money and power in the decision-making process.
  3. The TikTok situation highlights broader issues around data ownership, national security, and the evolving role of social media platforms.

Have you experienced the Gen Z stare?

Make Work Better • 54 implied HN points • 16 Jul 25
💼 Business Work Culture Workplace Trends Employee engagement Technology Integration Human Resources
  1. Young workers today are attending social events less than their peers did two decades ago. Companies may need to think creatively about team bonding activities.
  2. Mixing IT and HR can help companies design better work environments. This approach can lead to using technology smartly and improving team structures.
  3. The Gen Z stare, a confused look at outdated ideas, shows a generational gap in workplace perspectives. It highlights how younger employees view certain workplace practices as unhelpful.

The Reckoning of Time

Justin E. H. Smith's Hinternet • 708 implied HN points • 06 Jun 23
📖 Philosophy Modernity Existence Ritual Time
  1. Timekeeping has deep cultural roots and was originally intertwined with religious and social practices.
  2. Modernity saw a shift in the importance of timekeeping from a human endeavor to a machine-driven process.
  3. The modern expectation of universal and standardized participation in societal issues contrasts with the historical concept of individualized duties and roles.

South Bay LA is Ground Zero for the Hard Tech Wave and Here's Why

Nathan’s Substack • 79 implied HN points • 15 Dec 23
🕹 Technology Automotive Aerospace Startups Hardware Networking
  1. South Bay LA, including areas like Redondo Beach, El Segundo, and Torrance, is experiencing a boom in hard tech innovation. The region is home to a growing number of young founders and engineers leveraging decades of experience and innovative tools from companies like SpaceX.
  2. The concentration of talent in South Bay is reminiscent of Richard Florida's theory on talent clusters, where talent attracts more talent, leading to a cycle of innovation and success. The region's history in aerospace has also played a significant role in shaping this talent pool.
  3. The alumni networks of SpaceX and Tesla have significantly contributed to the entrepreneurial spirit in South Bay, with many new hard tech companies emerging from these connections. The presence of these networks has made South Bay a hub for hard tech innovation and collaboration.

The New Gold Rush: Asteroid Mining

Space Ambition • 279 implied HN points • 16 Dec 22
🕹 Technology Astrobiology Engineering Entrepreneurship Resource Management Space Exploration
  1. Asteroid mining could help solve the problem of limited Earth resources. Some asteroids are worth tons of money and could provide materials crucial for technology.
  2. Mining in space isn't just about precious metals; water is a key resource that astronauts can use for drinking and rocket fuel. It also opens up possibilities for farming in space.
  3. There are many challenges to asteroid mining, like developing the right tools and overcoming technical issues. But with innovation, it could become a reality, and the first trillionaire might be a space miner.

You are not an end user

storyvoyager • 5 implied HN points • 18 Jan 26
📖 Philosophy Existentialism Ethics Technology Politics Social theory Mind
  1. Digital platforms harvest our data, work, and art as free goods and treat people mainly as end users whose purpose is to generate attention and purchases.
  2. Algorithms shape what we see and how we behave, pushing creativity toward sameness, turning relationships into transactions, and leaving people nostalgic and isolated.
  3. Without digital sovereignty—control and ownership of our digital selves—we become nodes in someone else’s infrastructure and risk losing agency and even physical freedom as technology advances.

The Integrity Objection to Utilitarianism

Going Awol • 119 implied HN points • 08 May 23
📖 Philosophy Critique Ethics Morality Theory Values
  1. Utilitarianism focuses on maximizing happiness and minimizing pain, even if it means compromising personal integrity.
  2. The Integrity Objection argues that utilitarianism undervalues personal values, aspirations, and moral integrity, leading to unreasonable demands.
  3. Critics point out that utilitarianism may push individuals to act against their core values, showing flaws in the theory's approach to balancing consequences and personal integrity.

Technology and Population Decline

The Digital Anthropologist • 19 implied HN points • 27 May 24
🕹 Technology Blockchain Artificial Intelligence Population Digital Twins Humanity
  1. The world's population is declining which poses challenges and pressures, including an ageing population and economic strains on healthcare and pensions.
  2. Robots and AI technology are becoming crucial for filling job gaps and augmenting human capabilities, especially in areas like healthcare and manufacturing.
  3. Technological advancements like Digital Twins and Blockchain are expected to play key roles in various sectors such as manufacturing, environmental analysis, and financial systems, potentially reshaping societal dynamics.

Singapore space tech and deep tech ecosystem

Space Ambition • 239 implied HN points • 03 Feb 23
🕹 Technology Innovation Startups Deep Tech Space Tech Investment
  1. Singapore is a great place for space tech startups because of its friendly tax policies and support from the government. The easy company setup process attracts talent and entrepreneurs from everywhere.
  2. Even with a small population, Singapore has over 20 space tech startups, showing strong growth in this sector. Companies like Gilmour Space Technologies and SpeQtral highlight the diverse innovation happening there.
  3. The space tech ecosystem in Singapore is supported by various agencies and institutions that help founders with funding and research. The presence of many investors and accelerators further drives the growth of this field.

Untangling concerns about consolidation in AI

The AI Frontier • 39 implied HN points • 21 Mar 24
🕹 Technology Innovation AI Ecosystem Regulation
  1. Big companies like Microsoft and Google are becoming dominant players in AI, which could limit competition and innovation. This brings both concerns and some advantages for smaller companies using their technologies.
  2. Acquisitions in the startup world can help new businesses thrive, giving their teams a payoff and bringing fresh ideas to larger companies. However, not every acquisition is a success, and it's important to watch how this affects the market.
  3. As powerful players in AI grow, so does scrutiny from governments. Stricter regulations could create challenges for smaller startups, so finding the right balance is crucial for fostering innovation.

Uncovering the Unspoken: Using Implicit Measures to Understand User Experience

UX Psychology • 79 implied HN points • 15 Dec 23
🕹 Technology UX Research
  1. UX researchers can benefit from using implicit measures in addition to explicit ones to gain a more comprehensive understanding of user experience.
  2. Explicit measures in UX research have limitations as they rely on users' self-reports, which may not capture unconscious processes influencing behaviors.
  3. Dual process theories suggest that both implicit, associative reactions and explicit, rational evaluations shape attitudes, leading to a better understanding of user perspectives in technology and experiences.

GDP still wins

Economic Forces • 11 implied HN points • 15 Dec 25
💼 Business Measurement Well-being Economic Policy Macroeconomics Public Finance
  1. GDP remains the best single-number summary of economic activity because no alternative captures the full picture of what an economy is doing.
  2. GDP correlates with many outcomes people care about — like lower infant mortality, better education, reduced extreme poverty, and higher self-reported happiness — because it measures the resources available to fund services and infrastructure.
  3. Despite its limitations, a well-measured GDP is practical and informative for policymaking and teaching, so attempts to outright replace it haven’t gained traction.

✅ The attention economy

Wadds Inc. newsletter • 59 implied HN points • 29 Jan 24
💼 Business Technology impact Consumer behavior Marketing Public Relations Corporate Governance
  1. People's attention spans are getting shorter, which affects both individuals and society as a whole. This lack of focus makes it harder to tackle big issues like climate change.
  2. There are many reasons for our diminishing attention spans, including diet, sleep, pollution, and social issues. Technology and social media are major contributors to this problem.
  3. Living without the internet can help rebuild attention. The book encourages taking steps towards improving focus for personal and societal benefit, without giving simple solutions.

I'm Moving to the Edge of Bangalore

Kartick’s Blog • 52 implied HN points • 02 Aug 25
🕹 Technology Urban Development Health Impacts Work-life balance Software Engineering Digital Life
  1. Living in a busy city can lead to stress and health issues. Long commutes and traffic can make daily life feel heavy and overwhelming.
  2. Smaller cities often offer a better quality of life with cleaner environments and less chaos. Sometimes, the hustle and bustle of a megacity isn't worth the trade-offs.
  3. Finding a balance between work and personal life is important. A better living situation can help improve overall well-being and performance at work.

How to Set Up a Business in the UK (2024)

The Small Business Corner • 19 implied HN points • 27 May 24
💼 Business Financial Management Business Operations Marketing
  1. When starting a business in the UK, it's crucial to choose the right legal structure - Sole Trader, Limited Company, or Partnerships - each with its own pros and cons.
  2. As a sole trader, you have full control over your business but are personally liable for debts, and responsible for taxes - requiring careful record-keeping and compliance.
  3. Key steps for setting up as a sole trader include registering with HMRC, understanding tax obligations (income tax, National Insurance), and taking advantage of allowable business expenses.

Navigating the Shadows

Rethinking Software • 149 implied HN points • 10 Jan 25
🕹 Technology Software Innovation Career Workplace Programming
  1. Shadow projects are personal work you do on your own time, outside of your usual tasks. They allow you to explore your interests and improve your skills without having to ask for permission.
  2. Working on shadow projects can help you fill gaps that your regular work might overlook. This makes your job more enjoyable while also providing value to your organization.
  3. There is some risk in doing shadow projects, as not all ideas will be accepted. However, they can lead to big opportunities and help you take control of your career.

sqlmesh init -t dbt

davidj.substack • 179 implied HN points • 02 Dec 24
🕹 Technology Development Analytics Engineering Data Software
  1. SQLMesh recently announced that it is backwards compatible with dbt projects. This means teams can gradually switch to SQLMesh without having to do a big migration all at once.
  2. Using SQLMesh can help improve the clarity of data workflows and avoid broken DAGs during development. It offers features that make managing complex data stacks easier.
  3. Migrating to SQLMesh is possible even for those who aren't very tech-savvy. The process can be simple and done in an afternoon, making it accessible for teams to test and implement.

Executive Presence - How to Level Up and Express the authentic you

The Uncommon Executive • 39 implied HN points • 21 Mar 24
💼 Business Professional development Communication Appearance Gender norms Leadership
  1. Executive presence involves commanding attention, inspiring trust, and influencing others effectively in leadership roles.
  2. Critical components include how you present yourself, hold yourself, and express yourself through demeanor, appearance, and communication.
  3. To improve executive presence, prioritize areas to work on, practice in specific situations, and understand how cultural stereotypes and gender norms can impact perceptions.