Spotify's Pirate Secret: From P2P to Streaming Giant

2025-02-28

Spotify's success story has a little-known secret: in its early beta phase, it used unlicensed MP3s from pirate sites like The Pirate Bay! Rasmus Fleischer, a former member of The Pirate Bay, reveals that Spotify's beta was essentially a "pirate service," leveraging unlicensed music from employees' hard drives to launch the platform. This, combined with Spotify's P2P technology and its free, ad-supported model, successfully attracted millions of former pirates. This revelation highlights Spotify's shrewd early strategy and its complex relationship with the piracy wave.

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Tech

Anonymous Confessions: Exposing the Dark Side of Work

2025-03-26

A new platform allows employees to anonymously share the dark secrets of their workplaces, including shady deals, toxic bosses, and insane Slack messages. The platform guarantees complete anonymity and promises to adapt the truest, most detailed, and Glassdoor-unsuitable confessions into a new series. Contributors can share their own stories or others' (with names and identifiers changed), holding executives accountable for their actions.

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Analog 'Tennis for Two': Building a Retro Game with Op Amps

2025-03-16

This post details the construction of a 'Tennis for Two'-like game using operational amplifiers (op amps). The author leverages op amps' integration and differentiation capabilities to simulate a bouncing ball under the influence of gravity. Clever use of diodes and comparators handles ball bounces and player input. The post thoroughly explains the circuit design, including mathematical derivations, schematics, and oscilloscope waveforms. Challenges encountered during implementation, such as using an LED for damping, are also discussed. The author successfully creates a basic 'Tennis for Two' game and outlines future improvements, such as refined controls and a scoring system.

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Oracle Linux: The Unexpected Best Local VM for MacBooks

2025-01-24

The author needed a local Linux environment for Kubernetes development on their MacBook. After struggling with Docker Desktop's high power consumption and sleep issues, they discovered an unexpected solution: Oracle Linux. Oracle Linux, a downstream of Red Hat Enterprise Linux, offers an easy-to-use UTM template. The author details setting up k3s and cert-manager, highlighting Oracle Linux's surprisingly low power consumption in UTM, solving the problems encountered with Docker Desktop. This makes it a superior choice for local development.

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Development

TikTok Briefly Shuts Down, Then Restored: A Presidential Order's Balancing Act

2025-01-19
TikTok Briefly Shuts Down, Then Restored: A Presidential Order's Balancing Act

A US law banning TikTok went into effect on January 18th, causing the app to briefly go dark. Apple and Google also removed TikTok from their app stores. However, President-elect Trump issued an executive order pausing the ban, giving TikTok's parent company ByteDance more time to find an approved buyer. This move, following TikTok's service restoration, sparked widespread debate about national security, free speech, and the political influence of tech companies.

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Tech

Kill the "User": A disillusioned technologist's reflections

2025-02-07

A technologist reflects on the current state of tech companies treating users as commodities to be manipulated. The article critiques how 'user experience' design, under the guise of user-centricity, actually maximizes corporate profits by minimizing interfaces and exploiting user data, leading to poor user experiences and digital burnout. The author proposes 'killing the user' – a shift towards more human-centered technology development, exemplified by personal computing, dignity design, folk software, and small software, ultimately aiming for a harmonious coexistence between humans and technology.

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Tech

California Grid Runs on 100% Renewables for Record 98 Days

2025-01-01
California Grid Runs on 100% Renewables for Record 98 Days

A new study reveals that California's main grid ran on over 100% renewable energy (wind, water, solar) for a record 98 out of 116 days in 2024, without blackouts or increased costs. Solar output surged 31%, wind power rose 8%, and battery storage saw a staggering 105% increase, supplying up to 12% of nighttime demand. The study debunks the myth that renewables cause high electricity prices, attributing California's high costs to other factors. The findings demonstrate the feasibility and reliability of large-scale renewable energy grids, offering a compelling case for global clean energy transition.

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Apple to Invest Over $500 Billion in US Over Next Four Years

2025-02-24
Apple to Invest Over $500 Billion in US Over Next Four Years

Apple announced its largest-ever investment commitment, pledging over $500 billion in US spending and investment over the next four years. This massive injection will fund initiatives across AI, silicon engineering, and workforce development. Key plans include a new Texas manufacturing facility, doubling the US Advanced Manufacturing Fund, establishing a manufacturing academy in Michigan, and accelerated investments in AI and silicon engineering. The investment will support millions of jobs and solidify Apple's position as a key player in the US economy.

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LLMs Can See and Hear Without Any Training

2025-04-26
LLMs Can See and Hear Without Any Training

This groundbreaking research demonstrates that Large Language Models (LLMs) can understand images and audio without any additional training. By cleverly leveraging existing LLMs, image captioning, audio captioning, and high-quality image generation techniques, researchers enabled LLMs to 'perceive' images and sounds. The project's open-source code and datasets facilitate reproducibility and further exploration.

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AI

Reverse Engineering the Commodore 64 Freezer Cartridge: A Deep Dive

2025-06-14

This article delves into the reverse engineering of Commodore 64 freezer cartridges, such as the Final Cartridge III. These cartridges leverage the C64's Ultimax mode and NMI interrupts to achieve functionalities like freezing programs, applying cheat codes, and saving game states. The article meticulously explains the technical challenges of the freezing process, such as coordinating 6502 CPU instruction cycles with Ultimax mode activation, and how limited memory resources are utilized for displaying menus and managing state backups. The author also analyzes the cartridge's backup mechanisms and game trainer functionality, praising the developers' deep understanding of the C64 hardware and their masterful coding skills.

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From Hackers to AI Devs: Has the Spirit Changed?

2025-06-17
From Hackers to AI Devs: Has the Spirit Changed?

This article contrasts the hacker culture of the 90s with the culture of today's AI developers. 90s hackers were rebels, using technology to challenge authority, their actions closer to art than engineering. Modern AI developers, however, are often constrained by corporate environments and regulations, their work more process-driven. While tools and technology have drastically changed, the core spirit of pushing technological boundaries remains, albeit expressed differently. Some AI developers are rediscovering this spirit through open-sourcing models, building local inference engines, and challenging tech giants and established norms.

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VC's AI-Powered Summer Hack: Building a Knowledge Base from Scratch

2025-09-02
VC's AI-Powered Summer Hack: Building a Knowledge Base from Scratch

A venture capitalist spent his summer break building a knowledge base platform using AI tools. Starting with a blank page, he leveraged LLMs, Telegram bots, and various APIs (Supabase, Orq.ai, etc.) to create a system for aggregating information and extracting insights. He even used AI for UI design. While facing challenges with technical debt and AI limitations, he successfully built a functional prototype, gaining valuable experience in the process. The project aimed to improve efficiency, personalization, and collaboration within his firm.

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Startup VC Tech

PIN AI: Your Personal AI, Under Your Control

2025-02-15
PIN AI: Your Personal AI, Under Your Control

PIN AI is a decentralized personal AI app that runs directly on your smartphone, challenging big tech's dominance over user data. Unlike cloud-based AI, PIN AI keeps your AI model on your device, ensuring privacy and customization. You own your data and control how your AI learns. Boasting over 2 million alpha users and backed by investors like a16z Crypto, PIN AI aims to create a user-centric AI ecosystem, empowering individuals to own and control their AI assistants, much like Iron Man's J.A.R.V.I.S.

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Rust Async Programming: Mastering Pin and Pin-Project

2025-05-22

This article delves into the intricacies of using Pin and the pin-project crate in Rust's async programming paradigm. Starting with associated types and type inference in Futures, the author builds up to the necessity of Pin to address memory safety issues arising from mutable borrows and moves within the state machine implementation of async functions. The article thoroughly explains Pin's function, usage, and how pin-project simplifies code, ultimately resulting in a safe and robust asynchronous state machine. It also highlights subtle considerations when employing pin-project.

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Development

Forward-Swept Wings: A Cold War Technological Dead End

2025-06-19
Forward-Swept Wings: A Cold War Technological Dead End

During the Cold War, both the US and USSR pursued the development of forward-swept wing fighter jets, hoping to gain a technological edge. While offering superior maneuverability, the design presented significant structural challenges. The US's Grumman X-29 and the USSR's Sukhoi Su-47, both employing advanced carbon fiber composites and fly-by-wire systems, ultimately fell victim to 'aeroelastic divergence'. The high cost and emergence of alternative technologies like thrust vectoring rendered the advantages of forward-swept wings insufficient, leading to the abandonment of both programs. Today, the X-29 serves as a museum piece, a testament to this Cold War technological pursuit.

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Bull Market Strategies: Decoding ET's Investment Tools

2025-06-12
Bull Market Strategies: Decoding ET's Investment Tools

ET's financial platform offers a suite of investment tools to help you grasp the pulse of the stock market. The "Investment Ideas" section provides stock recommendations and sectoral trends. Use "Stock Reports Plus" to assess stock scores, upside potential, and more. "BigBull Portfolio" reveals where market leaders are investing. The "Stock Analyzer" evaluates stocks based on fundamentals, solvency, growth, risk, and ownership. "Market Mood" analyzes sentiment and identifies trend reversals. Finally, the daily 9 AM "Stock Talk Live" lets you ask questions to SEBI-registered experts.

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Stellar Flyby Sculpted the Orbits and Colors of Trans-Neptunian Objects

2025-07-19
Stellar Flyby Sculpted the Orbits and Colors of Trans-Neptunian Objects

New research suggests a stellar flyby in the early solar system shaped the unusual orbits and color distribution of trans-Neptunian objects (TNOs). Using supercomputer simulations, scientists modeled a 0.8 solar mass star's flyby of the protoplanetary disk, successfully reproducing the spiral arm-like distribution of TNOs, their orbital characteristics, and their red-to-gray color gradient. The simulations showed a correlation between color and orbital inclination, with red objects primarily found at low inclinations and green to blue objects dominating higher inclinations. This research provides new evidence for a stellar flyby in the early solar system and offers predictions for future Vera Rubin Observatory observations, promising a deeper understanding of solar system formation.

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arXivLabs: Experimental Projects with Community Collaborators

2025-05-09
arXivLabs: Experimental Projects with Community Collaborators

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners adhering to them. Have an idea to enhance the arXiv community? Learn more about arXivLabs.

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Development

Chrome for Android Finally Gets a Bottom Address Bar

2025-06-25
Chrome for Android Finally Gets a Bottom Address Bar

Google has finally added a much-requested feature to Chrome for Android: a bottom address bar. Users can now move the address bar, tab switcher, and other shortcuts to the bottom of the screen, making one-handed use much easier. The update is optional, allowing users to choose between top and bottom placement in settings. The rollout begins today and will reach all users in the coming weeks. iOS users gained this feature in 2023.

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Development Bottom Address Bar

Ryanair Faces GDPR Complaint Over Mandatory Face Scans

2024-12-19
Ryanair Faces GDPR Complaint Over Mandatory Face Scans

The privacy advocacy group noyb filed a GDPR complaint against Ryanair for forcing users to create accounts and undergo invasive biometric verification, including face scans, during the booking process. This practice, allegedly aimed at preventing online travel agencies from bulk purchasing tickets, violates GDPR principles of data minimization, purpose limitation, and consent. Ryanair is accused of prioritizing competitive advantage over user privacy.

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Misc biometrics

3D Printing Design Guide: Beyond the Basics, Deep Dive into Printability

2025-05-04
3D Printing Design Guide: Beyond the Basics, Deep Dive into Printability

This blog post delves deep into the design philosophy of 3D printing, going beyond basic knowledge to cover strength, tolerances, process optimization, functional integration, machine elements, appearance, and vase mode design. The author summarizes numerous rules of thumb, illustrated with practical examples and images, such as choosing optimal print orientation for strength, using chamfers and fillets to improve tolerances and surface finish, and avoiding support structures. The post also details various functional integration techniques including zip tie channels, flexures, clips, living hinges, embedded bearings, and print-in-place mechanisms. Furthermore, it explores threaded connections, embedded hardware, and fabric printing. This is a valuable 3D printing design guide suitable for engineers and hobbyists with some 3D printing experience.

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Development

US Cybersecurity in Flux: Political Headwinds and a Generational Gap

2025-08-11
US Cybersecurity in Flux: Political Headwinds and a Generational Gap

The US cybersecurity landscape is facing a perfect storm. Trump-era policy shifts have led to personnel purges and unclear priorities, evident at this week's Black Hat and DEFCON conferences. A conversation between former NSA and Cyber Command chief Paul Nakasone and DEFCON founder Jeff Moss highlighted key challenges: the politicization of technology, a significant generational gap between government officials and the tech sector, and escalating conflicts with adversaries like China, Iran, North Korea, and Russia. The discussion also touched upon the rampant rise of ransomware and the uncertainty fueled by geopolitical conflicts, painting a picture of a complex and increasingly perilous cybersecurity future.

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Tech

OpenAI Battles NYT Over 120 Million ChatGPT Logs in Copyright Dispute

2025-08-06
OpenAI Battles NYT Over 120 Million ChatGPT Logs in Copyright Dispute

OpenAI is embroiled in a legal battle with the New York Times and other news organizations over copyright infringement. The news organizations demand access to 120 million ChatGPT user conversation logs to prove unauthorized use of their content. OpenAI argues this request is excessive, violating user privacy and delaying the case. Microsoft, a co-defendant, is also involved, with its internal ChatGPT equivalent potentially adding fuel to the fire. The core issue revolves around balancing copyright protection with user privacy and defining fair use in the context of AI models.

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Tech

US Library of Congress Briefly Deletes Sections of the Constitution

2025-08-07
US Library of Congress Briefly Deletes Sections of the Constitution

Parts of Article I of the US Constitution, including clauses authorizing Congress to create a Navy, call forth a militia, and sections on habeas corpus, bills of attainder, and limitations on states' powers, were temporarily deleted from the Library of Congress website. While the error has been corrected and the Constitution itself remains unchanged, the incident has sparked attention and may ironically lead to increased readings of the foundational document.

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LogLayer: Unify Your JavaScript Logging

2025-01-06
LogLayer: Unify Your JavaScript Logging

LogLayer is a unifying layer for JavaScript logging libraries, providing a consistent logging experience. It supports multiple logging libraries (like Pino, Bunyan) and cloud services (like Datadog, New Relic), and allows extending functionality with plugins for features such as data filtering and redaction. Developers can easily add tags, metadata, and errors, and switch logging providers on the fly without changing application code.

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Development

Invisible Electric Wires: Guiding Electricity with Sound

2025-02-10
Invisible Electric Wires: Guiding Electricity with Sound

Scientists have discovered a novel method for guiding electric sparks using ultrasonic waves, a breakthrough published in Science Advances. Unlike previous methods relying on dangerous lasers, this approach utilizes ultrasound, making it safe, affordable, and easily operable. Ultrasound guides the sparks by manipulating air density, allowing them to navigate obstacles and even target specific spots on non-conductive materials. Potential applications span atmospheric science, biological procedures, selective circuit powering, and even a contactless Braille system.

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Firefox Delivers Tab Groups Based on 4,500+ Community Requests

2025-04-29
Firefox Delivers Tab Groups Based on 4,500+ Community Requests

Firefox's new tab groups feature is a direct result of over 4,500 user requests on Mozilla Connect. This highly requested feature allows users to group browser tabs for better organization and management of numerous open pages. The development process highlights the power of community feedback, with the Firefox team actively listening to user suggestions and iterating through beta testing. The final feature balances flexibility and ease of use. Looking ahead, Firefox is exploring AI-powered smart tab groups for even more efficient tab management.

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The Insane __init__ Method That Almost Broke My Sanity

2025-04-19
The Insane __init__ Method That Almost Broke My Sanity

A Python service test intermittently failed due to a bizarre __init__ method. The FooBarWidget class, in its __init__, starts a new thread to execute its parent class FooWidget's __init__ and run methods. This design attempts to avoid blocking the main thread because zmq.Socket objects can't be moved between threads. However, closing a FooBarWidget instance too early might leave FooWidget's __init__ unfinished, resulting in a missing 'should_exit' attribute and an error. This humorous account details the debugging ordeal and explores the rationale behind this unconventional design.

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Development

Ancient Martian Lakes Showed Liquid Water Exposed to Atmosphere

2025-02-21
Ancient Martian Lakes Showed Liquid Water Exposed to Atmosphere

Curiosity rover images reveal wave ripples in Gale Crater, indicating the presence of shallow lakes with liquid water exposed to the Martian atmosphere billions of years ago. The size of the ripples suggests the lakes were less than 2 meters deep, existing approximately 3.7 billion years ago. This challenges previous models that assumed surface water was always ice-covered. The discovery extends the potential window for microbial life on Mars, though most of its atmosphere and water later vanished due to the loss of its magnetic field.

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