The hottest Substack posts right now

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How to define risk appetite and tolerance

Deploy Securely • 157 implied HN points • 12 Jul 23
🕹 Technology Cybersecurity Risk management Compliance Business impact
  1. Risk appetite is the baseline level of cybersecurity risk an organization is willing to accept.
  2. Risk appetite should be defined in fungible units like dollars or engineer-hours, not security-specific terms.
  3. Risk tolerance is the speed at which an organization must address risk above the established appetite to avoid compliance issues.

Short Idea - Presto Automation (PRST-US)

Guasty Winds Investment Ideas • 157 implied HN points • 24 Mar 23
💰 Finance Investing Cash Flow Financial Statements Company analysis
  1. Presto Automation (PRST-US) is a loss-making, debt-ridden company that is struggling and may not survive without external financing.
  2. The company's core business of selling touch-screen tablets to restaurants is not profitable and faces challenges from cheaper alternatives like QR codes.
  3. Despite touting itself as an AI company, Presto's AI products are white-labeled and its financial situation is concerning, with high debt, low cash, and burning through cash at a fast rate.
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T5: Text-to-Text Transformers (Part One)

Deep (Learning) Focus • 157 implied HN points • 27 Mar 23
🕹 Technology NLP Deep Learning Model Training
  1. Transfer learning is powerful in deep learning, involving pre-training a model on one dataset then fine-tuning it on another for better performance.
  2. After BERT's breakthrough in NLP with transfer learning, T5 aims to analyze and unify various approaches that followed, improving effectiveness.
  3. T5 introduces a text-to-text framework for structuring tasks uniformly, simplifying how language tasks are converted to input-output text formats for models.

Mass Value Report for April 2023

Planetocracy • 157 implied HN points • 30 Apr 23
🕹 Technology Space Exploration Rocket Technology
  1. Starship's growth curve must pick up Falcon 9's momentum to support SpaceX's Mars colonization goal.
  2. Elon Musk sets ambitious goals for Starship flights, aiming for 100 flights by 2025 and 1 megatonne to Mars.
  3. Maintaining a growth rate to meet mass demands for Mars colonization likely to challenge the pace of Artemis missions.

DSA For The Rest Of Us - Part 1

Data Engineering Central • 157 implied HN points • 13 Mar 23
🕹 Technology Data Engineering Programming Rust Software Development Data Structures
  1. Understanding Data Structures and Algorithms is important for becoming a better engineer, even if you may not use them daily.
  2. Linked Lists are a linear data structure where elements are not stored contiguously in memory but are linked using pointers.
  3. Creating a simple Linked List in Rust involves defining nodes with values and pointers to other nodes, creating a LinkedList to hold these nodes, and then linking them to form a chain.

GM Shaders Mini: Imagination

GM Shaders Mini Tuts • 157 implied HN points • 02 Sep 23
🕹 Technology Graphics Programming Tutorials Algorithms Mathematics
  1. When working with shaders, think in terms of vector fields to direct the flow and create gradients.
  2. Consider the acceptable input domains and the output ranges of your functions to prevent errors and unexpected results.
  3. Utilize periodic functions for repetition, sine and cosine for waves and rotations, dot product as a ruler, and exponentiation for adjusting brightness levels.

Data Science Weekly - Issue 496

Data Science Weekly Newsletter • 259 implied HN points • 26 May 23
🕹 Technology Data science Data Visualization Software Development Artificial Intelligence Machine Learning
  1. AI has great potential to improve our lives but also comes with risks if misused. It's important to balance optimism and caution.
  2. Tools like Copilot in Power BI make it easier for users to analyze and visualize data by allowing them to communicate their needs in plain language.
  3. The concept of the 'Curse of Dimensionality' shows that sometimes having too much data can confuse models instead of helping them make better predictions.

Ronin Arcade Season 2 is complete!

Ronin’s Newsletter • 12 implied HN points • 23 Dec 25
🔮 Crypto Community NFTs Blockchain Gaming Tokens Rewards
  1. Season 2 is complete — JayBe, Maikel, and pezyc finished at the top of the leaderboard.
  2. Players completed over 40,000 quests in under a week, and the quests-per-player rate jumped from 2:1 to 6:1, showing much higher engagement.
  3. Redeem Arcade Points for Mystery Keys before December 24th, 06:00 UTC to enter the raffle. Prizes include RONKEVERSE NFTs, Tier 1–3 Kotaro NFTs, $FLOWER tokens, and Sunflower Land items, and winnings will be distributed in the next few days.

Why Your Startup Idea Isn’t Big Enough for Some VCs? | Sam Altman Strategy - To Find The Right Problem To Solve? | VC Remote Jobs & More

Venture Curator • 139 implied HN points • 03 Nov 23
💼 Business Startup Strategy Entrepreneurship Remote Jobs Financial Analysis Venture Capital
  1. Investors look for startup ideas with the potential to reach a billion-dollar valuation, known as 'big ideas,' and may reject ideas perceived to lack that scalability.
  2. Venture capital operates on a power law model, where a small percentage of investments drive the majority of returns, requiring each investment to potentially return the entire fund.
  3. Founders should focus on solving popular, growing, urgent, expensive, mandatory, and frequent problems to increase their startup's chances of success.

🗞️Neurotech Notables: January 2024

NEUROTECH FUTURES • 79 implied HN points • 03 Feb 24
🕹 Technology Funding Neuroethics Neurotech Commercial
  1. January 2024 was a busy month for neurotech funding, with companies like Motif Neurotech, Cognito Therapeutics, and Rune Labs securing significant investments.
  2. Commercial headlines in neurotech highlighted important developments from companies like Synchron, Neuralink, BIOS Health, and Magstim demonstrating progress in the industry.
  3. Neuroethics and society discussions included announcements for conferences, grants, and events focusing on the ethical implications and societal impact of neurotechnology.

Inflation: Japan Stands Alone, Part I

Japan Economy Watch • 439 implied HN points • 06 Sep 22
💰 Finance Interest Rates Inflation Global Economy Central Banks
  1. Different countries are experiencing different types of inflation, each requiring unique solutions. Japan faces a dilemma with its low headline inflation and core inflation dominated by food and energy.
  2. Central bankers focus on core inflation for long-term trends while considering demand-pull and cost-push sources of inflation. Japan's inflation is mainly driven by cost-push forces, unlike the US and Europe where demand-pull forces are stronger.
  3. Dealing with cost-push inflation is more complex as it involves supply chain disruptions and input price spikes. Timing the response to inflation and adjusting interest rates involves balancing economic growth and avoiding recession.

Weltschmerz

antoniomelonio • 215 implied HN points • 13 Jan 25
📖 Philosophy Environmental Ethics Politics Existentialism Mental health Society
  1. Weltschmerz means feeling tired or sad about how the world is. It's a deep emotional exhaustion about life's challenges and problems.
  2. People today face many big issues like climate change and wealth inequality, which can make this feeling even stronger. It's easy to feel overwhelmed by these problems.
  3. This sense of world-weariness has worsened over time as we see societal promises break down. It's a struggle that many people can relate to.

Whatever, do the secondary sale

benn.substack • 562 implied HN points • 01 Mar 24
💼 Business Startup Growth Venture Capital Employee Relations
  1. If you're a visionary founder who raises a lot of money and then sells shares for personal gain before mismanagement leads to the company's downfall, VCs will prioritize your ability to grow and persuade over your financial choices.
  2. In the world of venture capital, making money often trumps moral values, with investors backing those who are monetizable rather than necessarily 'nice.'
  3. While secondary sales by founders may raise concerns about focus and fairness to employees, making them transparent to the entire company could help ensure accountability and address potential disillusionment.

The Market Vs. The Bank of Japan

Japan Economy Watch • 319 implied HN points • 20 Dec 22
💰 Finance Inflation Financial Markets Market Interest Rates
  1. Market pressure forced the Bank of Japan to increase the maximum rate of 10-year Japan Government Bonds
  2. BOJ Governor Kuroda believes the rate hike was a technical measure, not a start of tightening monetary policy
  3. The outcome will be shaped by factors like BOJ's bond purchases, impact of interest rate rises on businesses, value of the yen, and course of inflation

The Bear Cave #206

The Bear Cave • 606 implied HN points • 28 Jan 24
💰 Finance Reports Resignations Tweets
  1. New activist reports on companies' financial statements and operations
  2. Recent resignations of notable executives in various corporations
  3. Tweets of the week highlighting key discussions and reactions in the financial community

The Myth of the Startup in a Large Company

It Depends / Nimble Autonomy • 19 implied HN points • 19 Jun 24
💼 Business Innovation Startups Management Leadership Corporate culture
  1. Large companies often struggle to create a true startup culture. Their existing systems usually stifle the innovation and energy that startups thrive on.
  2. In big companies, the lack of risk and the security of a paycheck can actually kill motivation. Employees may feel less ownership of their projects, which can make them less engaged.
  3. One way to encourage innovation is to create actual independent startups within the company. This allows employees to take risks and have more stake in the outcome, which can lead to better results.

Lessons from Cybersyn

Magis • 227 implied HN points • 23 Dec 24
💼 Business Data Innovation Economics Startups Market Trends
  1. Starting a data company can be really challenging because it takes a lot of time and money to create useful products. It’s hard to find customers who are ready to pay for insights quickly.
  2. Big companies have valuable data but making deals can be tough. You often have to convince them to sell data at a good price while also showing them the benefits of monetizing it.
  3. The shift in the market towards valuing profits over growth made it harder to raise funds for data startups. Sometimes, it might be smarter to shut down a project to save capital instead of pushing forward with uncertain outcomes.

Instacart's price discrimination isn't price discrimination

Economic Forces • 15 implied HN points • 16 Dec 25
💼 Business Pricing Market structure Algorithms E-commerce Antitrust Competition
  1. Different price changes have different causes and effects: A/B tests, strategic randomization, dynamic supply-and-demand adjustments, and true price discrimination are not the same thing.
  2. The Instacart example looked like randomized A/B testing rather than pricing based on shoppers’ personal data, so treating every price change as evidence of algorithmic profiling confuses what might happen with what actually happened.
  3. Price discrimination isn’t automatically bad — it can raise output and sometimes help consumers, especially under competition — and banning price experiments won’t necessarily make consumers better off because low-price periods can outweigh high-price losses.

Crossing Over Zero

moontower: a stoner dad explains options trading to his kids • 78 implied HN points • 04 Feb 24
💰 Finance Investing Financial Education Market Analysis Options trading
  1. The documentary '6 Days To Air' highlights the intense work ethic of the creators of 'South Park'.
  2. Collaboration and hard work are essential for success, as seen in the partnership between Trey Parker and Matt Stone.
  3. Understanding market dynamics, like the significance of opening prices and breakout strategies, can lead to potential trading insights.

Exploring the Purpose, Power & Potential of Small Language Models (SLMs)

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 59 implied HN points • 11 Mar 24
🕹 Technology Open Source AI Machine Learning Data science Language Models
  1. Small Language Models (SLMs) can effectively handle specific tasks without needing to be large. They are more focused on doing certain jobs well rather than trying to be everything at once.
  2. The Orca 2 model aims to enhance the reasoning abilities of smaller models, helping them outperform even bigger models when reasoning tasks are involved. This shows that size isn't everything.
  3. Training with tailored synthetic data helps smaller models learn better strategies for different tasks. This makes them more efficient and useful in various applications.

Links to Consider, 10/15/2024

In My Tribe • 288 implied HN points • 15 Oct 24
📖 Philosophy Society Psychology Free speech Ethics Epistemology
  1. Personality tests like the Big Five or Myers-Briggs might not be very good at predicting important life outcomes. Their accuracy isn't much better than just guessing.
  2. Free speech has changed over time, moving from a focus on persuading others to simply expressing one's own beliefs. This represents a shift in how we communicate and engage with each other.
  3. Modern societies often value citizenship over family ties, which affects people's views on having children. Many may feel pressured to prioritize social status over family-building.