The hottest Substack posts right now

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HFT Does Not Make Sense Anymore

Low Latency Trading Insights • 255 implied HN points • 29 Jan 24
💰 Finance Trading Strategies
  1. Early high-frequency trading (HFT) relied on low latency network technology for fast communication between nodes.
  2. HFT became popular during the subprime crisis of 2007-2008, but faced increased competition and regulatory challenges in the 2010s.
  3. The term HFT has evolved; it's now more about 'low-latency' trading and technology applications for better market execution.

Which Steam games 'won' revenue again in 2023?

The GameDiscoverCo newsletter • 255 implied HN points • 29 Jan 24
🕹 Technology Game Development App Store Virtual reality Gaming Digital Markets
  1. Steam ranked top games by gross revenue in 2023 based on 'Platinum', 'Gold', 'Silver', and 'Bronze' tiers
  2. Around 35% of the top revenue games in 2023 were new releases; games generally needed at least $20 million gross to make the rankings
  3. Deep Rock Galactic saw increased sales in 2023, success with cosmetic DLC, and plans for spinoff games

Tether And When Denial Becomes A Dialect

QTR’s Fringe Finance • 63 implied HN points • 28 Nov 25
🔮 Crypto Investing Market Trends Stablecoins Regulation Risk management
  1. Companies should always provide a full audit if requested. If they refuse, it's likely because they have something to hide.
  2. Tether's reserves are not as stable as they claim, with high-risk assets like Bitcoin included. If those assets drop in value, Tether may struggle to maintain its worth.
  3. It's important to be skeptical and demand transparency in financial matters. Trusting companies without verification can lead to big losses.

Week #1: Getting Started With Conformal Prediction For Classification

Mindful Modeler • 1018 implied HN points • 20 Dec 22
🕹 Technology Python Data Analysis Machine Learning AI Predictive Modeling
  1. Model predictions should consider uncertainty to make informed decisions. Decisions relying only on point predictions can be risky.
  2. Conformal prediction is a method that can provide rigorous uncertainty scores, giving probabilistic guarantees of covering the true outcome.
  3. Conformal prediction is simple to apply, often with just 3 lines of code. It is model-agnostic, distribution-free, and comes with coverage guarantees.

Grok 3 and an accelerating AI roadmap

Democratizing Automation • 554 implied HN points • 18 Feb 25
🕹 Technology Machine Learning Data science Software AI Innovation
  1. Grok 3 is a new AI model that's designed to compete with existing top models. It aims to improve quickly, with updates happening daily.
  2. There's increasing competition in the AI field, which is pushing companies to release their models faster, leading to more powerful AI becoming available to users sooner.
  3. Current evaluations of AI models might not be very practical or useful for everyday life. It's important for companies to share more about their evaluation processes to help users understand AI advancements.
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Q2 2025 Update: Equanimity Investing

Interconnected • 231 implied HN points • 20 Jul 25
💰 Finance Portfolio Management Investing Market Analysis Economic Trends Financial Strategy
  1. Equanimity is important in investing; it's about staying calm and balanced during market ups and downs. This mindset helps investors make clearer decisions despite emotional stress.
  2. Finding the right technology companies to invest in can be tough. Those that are poorly understood or misunderstood offer unique opportunities but require patience and education to explain them to others.
  3. Mistakes are part of the investing journey. Continuously learning and admitting when a strategy doesn’t work is crucial for finding future successful investments.

Third-party risk management needs to change

Frankly Speaking • 50 implied HN points • 03 Dec 25
💼 Business Procurement Security Compliance Risk management
  1. The current way companies choose vendors is too slow and complicated for today's fast-moving tech world. It takes too long to get through all the approvals and checks.
  2. Security teams often struggle to fully understand the products they assess, which makes the process messy and can lead to risks being overlooked. They should focus more on ongoing monitoring rather than just initial assessments.
  3. Compliance checks for vendors are often just a tick-box exercise, making it feel like there’s security without real effectiveness. Companies need to adapt and change how they approach procurement to reduce risks.

Methinks the chip-god doth protest too much

Alex's Personal Blog • 65 implied HN points • 26 Nov 25
🕹 Technology Semiconductors Chip Manufacturing Market Trends Startups AI
  1. Nvidia is experiencing huge revenue growth, but market sentiment is turning negative despite their strong performance. People are questioning if they'll keep leading in AI technology.
  2. There is a growing need for more domestic shipbuilding in the U.S., and startup Valstad is aiming to significantly boost America's ship production capabilities.
  3. Bitcoin's value can sometimes move independently from traditional stocks, showing it can be a different type of investment, but it has recently been performing poorly compared to the Nasdaq.

DACs and ADCs, or there and back again

lcamtuf’s thing • 1836 implied HN points • 19 Feb 24
🕹 Technology Microcontrollers Electronics
  1. Digital circuits often require digital-to-analog and analog-to-digital converters to interface with the physical world.
  2. For digital-to-analog conversion, architectures like binary-weighted DACs and R-2R DACs are commonly used, but the latter addresses practical issues with resistor values.
  3. Analog-to-digital converters (ADCs) can be complex, involving methods like flash ADCs and slope-based ADCs, which use principles like comparison, integration, and sigma-delta modulation for accurate voltage readings.

All you need is Wide Events, not “Metrics, Logs and Traces”

A Song Of Bugs And Patches • 224 HN points • 15 Feb 24
🕹 Technology Observability Systems Events Metrics
  1. The concept of 'Wide Events' is proposed as a simpler and more effective approach to observability than the traditional 'Metrics, Logs, and Traces'.
  2. Older systems like Open Telemetry may contribute to confusion by categorizing data into distinct pillars, making observability seem complex.
  3. A system like Scuba, based on 'Wide Events', enables streamlined investigation and data exploration, emphasizing the importance of simplicity in observability tools.

Issue #5 - Data’s Growth Problem: Losing the Audience

The Data Ecosystem • 99 implied HN points • 12 May 24
🕹 Technology Business Intelligence Data Strategy AI Tools Data Governance
  1. Data growth is huge but understanding it is lagging behind. Even though we generate tons of data daily, many people and businesses struggle to truly grasp what it means.
  2. Organizations often rely too much on consultants and vendors for quick fixes instead of addressing the core issues of their data practices. This can lead to overspending and not solving the deeper problems.
  3. To benefit from data, companies need to focus on building strong foundations like data governance and internal capabilities. It's important to think long-term instead of prioritizing quick solutions.

Building a technical career path at Spotify

It Depends / Nimble Autonomy • 19 implied HN points • 11 Aug 24
🕹 Technology Engineering Leadership Company Culture Career development
  1. Spotify emphasizes that career paths should fit the company's culture. Using a framework from another company often doesn't work well.
  2. Creating a career path framework should happen after seeing a real need for it, rather than forcing it too early in a company's growth.
  3. The Spotify model focuses on team success and personal growth, not just climbing a ladder. It encourages diverse development without penalizing role changes.

The new UX for AI is not what you think

Generating Conversation • 233 implied HN points • 24 Jul 25
🕹 Technology AI Integrations Software UX Design
  1. AI applications should work directly with the tools you use every day, like Slack or ticketing systems. This helps them fit into your existing workflows and makes them more useful.
  2. Building trust in AI is important. Users want to see what the AI is doing and have control over its actions. This means the AI should be clear about its decisions and allow feedback.
  3. The best AI products combine great integrations, transparency, and user control. When an AI feels like a team member that you can rely on, it adds real value.

The emerging startup playbook

Kyle Poyar’s Growth Unhinged • 962 implied HN points • 09 Oct 24
💼 Business Startups Growth Strategies Product Development Marketing Entrepreneurship
  1. Create a minimum remarkable product that really stands out. This means your initial product should be good enough to impress people right away, as getting their trust back later is tough.
  2. Use storytelling to engage your audience. Instead of a big launch event, try to build a community around your product through authentic content and personal stories.
  3. Stay lean by using automation and AI to keep things efficient. It's better to have a small, skilled team that can innovate rather than hiring lots of people to get things done.

The Arm Story Part 3 : Creating A Global Standard

The Chip Letter • 3494 implied HN points • 19 Mar 23
🕹 Technology Semiconductors Innovation Business strategy Global Market
  1. Arm's success was built on strategic partnerships and a unique licensing business model.
  2. The development of Thumb instruction set allowed Arm to address code size and attract key customers like Nokia and TI.
  3. Arm's growth and financial stability were further solidified by partnerships with companies like Samsung and the creation of the StrongARM line.

Notorious: Common Mistakes Founders Make

Notorious PLG • 235 implied HN points • 08 Feb 24
💼 Business Investing Tech Finance Entrepreneurship Startups
  1. Valuable lessons for early-stage founders include focusing on customer needs, finding product-market fit, and maintaining rapid adaptation.
  2. Operating benchmarks for PLG startups include metrics on organic traffic, conversion rates, activation rates, and user retention.
  3. Financial benchmarks from PLG public companies cover EV/NTM revenue multiples, stock gainers, and recent PLG + AI financings.

New Year JPM Thoughts

ASeq Newsletter • 29 implied HN points • 06 Jan 26
💼 Business Leadership Biotech Genomics Investing M&A Earnings
  1. Illumina’s clinical business is strengthening while overall revenue is flat-to-down, and the company will likely report modest results without launching new sequencing instruments.
  2. Oxford Nanopore probably won’t surprise before the new CEO starts in March, since recent gains looked driven by financial restructuring and price increases rather than clear instrument growth.
  3. PacBio has made technical progress and landed some population sequencing wins, but recent quarterly declines and doubts about reaching profitability by 2027 make acquisition rumors understandable yet unlikely.

Shunto: Why 4-5% Headline Wage Hike Really Means 2-3%

Japan Economy Watch • 179 implied HN points • 13 Mar 24
💼 Business Economics Labor
  1. Headline wage hikes in Japan may seem high, like 4-5%, but they often translate to 2-3% for the entire labor force.
  2. The base pay increase is what directly impacts overall income, while seniority raises have a more limited effect.
  3. Despite the impressive headline numbers, real wages in Japan have fallen due to inflation, with expectations for minimal improvements in the near future.

The Rise Of Application Security Posture Management (ASPM) Platforms

Resilient Cyber • 119 implied HN points • 25 Apr 24
🕹 Technology Vulnerability Management Software Development
  1. Application security is becoming more complicated as software development grows, making it hard for teams to keep track of security issues. It's important for teams to have a clear view of application security to effectively manage vulnerabilities.
  2. ASPM platforms are designed to help organizations manage application security more efficiently by combining tools and workflows. They enable teams to see security risks clearly and respond quickly to issues without overwhelming them with alerts.
  3. The integration of security into the development process, known as DevSecOps, aims to reduce vulnerabilities and improve collaboration among teams. With ASPM, businesses can connect security efforts across different stages of software development for better protection.

My thoughts on the Zscaler acquisition of Red Canary

Frankly Speaking • 305 implied HN points • 05 Jun 25
💼 Business Managed Services Technology Acquisitions Cybersecurity Market Trends
  1. Zscaler bought Red Canary to create a more integrated and powerful security platform. This move helps them adapt to the changing needs of businesses that want fewer, but more effective tools.
  2. The combination of Zscaler’s services with Red Canary’s managed detection capabilities allows companies to reduce their security staff while improving response times. This can make security easier and potentially save money.
  3. The security market is shifting away from using many separate tools and towards unified platforms. As Zscaler and others adapt, there's potential for growth, but they must also navigate challenges in merging cultures and technologies.

Business Process Audits

In My Tribe • 258 implied HN points • 28 Jun 25
💼 Business Marketing Consumer behavior Psychology Regulation
  1. Sports gambling can be seen as a predatory business model that targets vulnerable individuals. Companies often exploit psychological weaknesses to profit, impacting a small percentage of harmful cases.
  2. Business model audits could help identify harmful practices in industries like gambling and social media. These audits would look for ways companies might be profiting from customers who are easy to exploit.
  3. Regulation needs to focus on clear definitions of harmful business practices. Simple rules might not work, but audits can reveal deeper issues where companies thrive on the disadvantages faced by some consumers.

TBM 316: Ultra Founder Mode

The Beautiful Mess • 925 implied HN points • 17 Oct 24
💼 Business Management Leadership Entrepreneurship Accountability Self-Improvement
  1. Ultra Founder Mode is all about taking raw honesty and owning up to your weaknesses. It's crucial to be really self-aware and willing to face hard truths about yourself and your work.
  2. In this mindset, you take full responsibility for everything—successes and failures. There’s no blaming others; you say 'I' messed up, and you own that weight fully.
  3. Being a leader means being deeply involved in your team's day-to-day struggles. You need to feel their pressures and grind alongside them, absorbing all the chaos without immediately trying to fix everything.

The Sequence Radar #767: Last Week in AI: Google Logic, Amazon Utility, and Mistral Efficiency

TheSequence • 56 implied HN points • 07 Dec 25
🕹 Technology Machine Learning Software AI Cloud Computing Data science
  1. AI model development is changing focus from just making models bigger to making them smarter and more specialized. It's now about using different tools for specific tasks instead of one model for everything.
  2. Google's Gemini 3 Deep Think is a significant release that uses a new way of thinking to solve problems. It focuses on careful reasoning rather than quick responses, leading to much better problem-solving skills.
  3. Amazon's Nova 2 and Mistral's Large 3 provide new options for businesses by focusing on efficiency and privacy. These models allow companies to create tailored solutions without relying on large, generic AI models.

The biggest creators are no longer in the merch business

Simon Owens's Media Newsletter • 648 implied HN points • 08 Jan 25
💼 Business Media Content Strategy Streaming Ecommerce Creators
  1. Top creators are moving away from selling low-quality merch and focusing on high-quality products that can compete with retail brands. This shift is about attracting a broader market beyond just their fans.
  2. Apple News has a huge user base and is likely the biggest source of traffic for traditional news outlets after Google. It highlights the importance of being present on major platforms to drive audience engagement.
  3. The current sports streaming landscape is complicated, with fans needing multiple subscriptions to access all games. A more straightforward solution could improve viewer experience and access to content.

Money Market Update

Concoda • 237 implied HN points • 10 Jul 25
💰 Finance Central Banking Market Update Economic Policy Investment Strategies Debt Management
  1. The recent debt limit uncertainty is making it harder for banks to get the money they need, which will likely push interest rates up. We can expect funding pressures in money markets to grow.
  2. The Federal Reserve plans to cut down on reserves, which means banks might have to compete more for cash. This could lead to the Fed needing to step in with measures to pump money into the system.
  3. Demand for U.S. Treasury bonds is holding steady despite fiscal worries. However, if concerns about the economy rise again, it could lead to changes in investment behavior.

Meet more of the Clipboard Sales team

Creating Value from Nothing • 53 implied HN points • 26 Nov 25
💼 Business Growth Sales Management Teamwork Culture
  1. The Clipboard team values real connections, giving employees a lot of freedom and support to build relationships with clients. Strong leadership is present in the field, not just behind a desk.
  2. Employees at Clipboard experience fast growth and ownership in their roles, allowing them to take on responsibilities quickly. This makes their work exciting and fulfilling, creating strong team bonds.
  3. There’s a positive company culture focused on learning and impact, where feedback is welcomed. This environment helps employees tackle bigger challenges and feel proud of the difference they make in people's lives.

💥Here's Adam!?💥

PETITION • 235 implied HN points • 07 Feb 24
💼 Business Healthcare Finance Legal Restructuring Bankruptcy
  1. The WeWork debtors are in conflict with landlords over unpaid rent, leading to a heated legal battle.
  2. Cano Health Inc. and its affiliates filed for Chapter 11 bankruptcy in Delaware due to financial struggles and bad acquisitions.
  3. The restructuring support agreement for Cano Health aims to deleverage the company's balance sheet through a sale process and a proposed $150 million DIP financing.

Long Term

Venture Prose • 479 implied HN points • 04 Jun 23
💼 Business Ethics Venture Capital Entrepreneurship Company Building
  1. Success often requires effort, dedication, and patience over immediate gratification.
  2. In the world of entrepreneurship and investing, it's important to have a long-term perspective and not get caught up in instant success narratives.
  3. Building meaningful companies requires ethics, rhythm, and alignment, along with cultivating long-term relationships with founders.

How Nominators on Medium Evaluate Stories for Boost (With Killer Insider Interview)

Kristina God's Online Writing Club • 479 implied HN points • 19 Aug 23
💼 Business Content creation Digital Strategy Media Publishing Marketing
  1. Medium's Boost Program helps writers get more views and earnings by promoting their stories to a wider audience.
  2. There are over 60 Boost Nominators on Medium who help select great stories to get a Boost.
  3. Nominators look for unique and insightful stories, not just those from popular writers, so having a small following doesn't stop you from being noticed.

My Journey into Personal Computer Software Development in 1983

Farrs’s Substack • 125 HN points • 20 Apr 24
🕹 Technology Management Software Development Bug Fixing Programming
  1. Personal Computers were gaining popularity in 1983, despite being considered toys by some programmers, and had promising applications developed for them.
  2. Taking a risk to work in Personal Computer Software Development led to a successful job offer and opportunity to solve a challenging memory limitation issue.
  3. Facing skepticism and disrespect at the company, the individual showcased exceptional bug-solving abilities, but ultimately chose to leave due to being labeled unfairly.

TBM 332: The Last Strategy Framework You'll Ever Need

The Beautiful Mess • 674 implied HN points • 09 Jan 25
💼 Business Operations Innovation Management Strategy Consulting
  1. Strategy frameworks help teams figure out what questions to ask and how to answer them. They provide tools to organize and visualize ideas for better clarity.
  2. Different strategy frameworks focus on various aspects of a business. Some are good for visual thinkers, while others suit goal-oriented people or those who prefer simpler approaches.
  3. Understanding and applying strategy is challenging because it's about real-life situations. Successful strategy involves collaboration, adaptability, and accepting uncertainty rather than relying on perfect plans.