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Re-encode It and the System Finds It. Regenerate It and the System Goes Blind
The Shazam paper wrote its own limitation in 2003: not expected to generalize to live recordings. Twenty-three years on that sentence is still the foundation of copy detection, and its largest gap — every fingerprint identifies one rendition, not the content.
2026-08-20 · 11 min read ReadPlatforms Do Catch Reuploads. Nine Times in Ten They Take the Money Instead
In 2025 YouTube's copyright system identified 2.5 billion pieces of content; on more than nine claims out of ten the rightsholder took the ad revenue and left the video up. Then one rule change in July 2025 removed the original creator from the process.
2026-08-19 · 12 min read ReadWhat Kills Open-Source and Nonprofit Projects: The Name, the Domain, Publish Rights, Ownership
Anyone can take the code; these four exist only once. Bus factor is uncorrelated with stars, the xz time gate admitted the attacker on schedule, and curl’s flood grew after the bounty died — the structural half.
2026-07-27 · 10 min read ReadCan Fine Cutting Be Handed to AI? The Boundary Isn't Model Precision — It's What Defines the Cut
The parts already automated get their frame accuracy from signal processing, not AI; what actually blocks the rest is that nobody can score whether a cut is good
2026-07-24 · 21 min read ReadBuilding a High-Quality Agent Skill From Scratch, and Running It as an Open-Source Project
The field that decides everything is the description line, yet its failure mode is being dropped wholesale; and once open-sourced, zero adoption is the default and code quality barely decides it
2026-07-24 · 21 min read ReadUser Personas and Modeling: What Actually Predicts Behavior, and What's Just Ritual
Most persona dogma is unvalidated; what predicts behavior is revealed preference, not an imagined user
2026-07-16 · 10 min read ReadGiving an LLM a Persona: An Evidence Review of Product Requirements Judgment and Routing
Removing role prompts hurts most in ablations — yet independent tests catch the PM agent rewriting your requirements
2026-07-15 · 8 min read ReadSpeech Without Text: Executing Tasks Directly from Audio Vectors
So-called end-to-end speech models are still quietly transcribing under the hood
2026-07-14 · 8 min read ReadCI/CD and E2E in the AI Era: From Software Products to AI-Enabled Hardware
Probabilistic evals, multi-artifact delivery, and testing hardware you can't roll back
2026-07-10 · 13 min read ReadAutomated Trading on Prediction Markets: Mechanics, Market Making, Arbitrage, and Execution
From market-making to arbitrage: a complete map of prediction-market quant
2026-07-08 · 21 min read ReadThe Complete App Beta-Testing Workflow: iOS, Overseas Android, and Domestic Channels
Why must a brand-new Google Play account wait out a full 14 days?
2026-07-08 · 11 min read ReadThe Hidden Piece of True Solar Time: The Equation of Time and the BaZi Hour Pillar
True solar time with only longitude correction can throw the hour pillar off by one
2026-07-08 · 8 min read ReadAutomatically Judging Day-Master Strength in BaZi: Using Blind Human Review to Surface Two Kinds of Systematic Error
Where does an algorithm judging day-master strength most often go wrong?
2026-07-08 · 10 min read ReadHow to Make Sure an LLM Returns JSON That Strictly Matches the Expected Format
json_object is not a schema guarantee — a layered defense architecture
2026-07-08 · 20 min read ReadBusiness
Token Relay Stations: The Architecture, Market, and Trust Crisis of the AI API Resale Ecosystem
Nearly half the endpoints tested swap out the model you paid for
2026-07-08 · 9 min read ReadDistribution vs. Demand: When “Building It” Gets Cheap, the Real Battlefield of Product Competition
The wheel is copyable; nailing the idea into a self-growing channel is not
2026-07-08 · 17 min read ReadMoving Supply Chains Out of China: To Cut Costs, or to Spread Risk?
Mostly de-risking, but cost decides where it lands — a China+1 hedge
2026-07-08 · 8 min read ReadCloning an OzBargain: Three Separate Ledgers — Technology, Cold Start, and Australian Compliance
Easy code, hard community, hidden compliance mines — three ledgers for a deals site in Australia
2026-07-08 · 12 min read ReadMind & Cognition
Teaching Awareness: Methods, Boundary Conditions, and Willingness Hooks
Awareness can be taught — but what's teachable is one small move: noticing you've wandered and gently returning. The harder you push it with rewards and intensity, the faster it dies.
2026-07-21 · 19 min read ReadIsn't the emotion economy just products sold to NPCs?
Emotions hardwired? That's the load-bearing half that's wrong: the emotion economy sells precisely because emotions are constructed — not because people are empty.
2026-07-21 · 15 min read ReadGolf
The Science of Golf Instruction: The Physics Half Hasn't Moved; the Psychology Half Collapsed in 2024
The ball-flight laws haven't been touched since 2009; external focus and random practice — motor learning's two textbook doctrines — were dismantled by bias corrections in 2023–24. Ration your trust by how physical the knowledge is.
2026-07-31 · 10 min read ReadYour First Year of Golf as an Adult, Decided by Data
Two-thirds of the scoring gap lives beyond 100 yards, fairway percentage barely separates skill levels, more lessons don't mean faster progress, and driver distance has been rule-capped for twenty years — every first-year decision has a checkable answer.
2026-07-31 · 12 min read ReadHow Instruments Took Over a Craft: Golf's Six-Layer Learning Stack
The P-System, Doppler radar, TPI, Strokes Gained, single-camera 3D: a complete case study of a folk craft taken over by measurement, layer by layer — and why the schools retreated before the instruments.
2026-07-31 · 11 min read ReadNo research matches “”. Try another term.