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Field Notes

Research notes on how machine-written prose gives itself away, and what to do about it.

24 August 2026 · 5 min read

AI Detectors Flagged 61.3% of Non-Native English Essays as AI

A Stanford study ran seven commercial detectors against TOEFL essays written under exam conditions. More than three in five were wrongly called machine-written. Native-speaker essays scored almost perfectly.

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24 August 2026 · 4 min read

The AI Script Retention Cliff: Why Your Video Dies in 30 Seconds

An AI-written script fails before anyone judges the writing. It opens by restating the title and promising what is coming, which is exactly when viewers leave and the algorithm stops recommending you.

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24 August 2026 · 5 min read

Why ChatGPT Uses So Many Em Dashes (And How to Make It Stop)

Models drop four to eight em dashes per page, which is roughly ten times the rate of edited human prose. Here is where the habit comes from, what the safe threshold is, and the instruction that actually removes it.

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24 August 2026 · 5 min read

Google's Scaled Content Abuse Policy: What Actually Triggers It

Google named mass-produced content as spam rather than a ranking factor. The policy does not ask who wrote the page. It asks whether the page says anything, which is a harder test to pass than most publishers assume.

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24 August 2026 · 7 min read

How to Spot AI Slop: 12 Tells, Ranked by Reliability

Not every AI tell is worth trusting. These twelve are ranked by how often they are right, starting with the two that survive editing and ending with the ones that get innocent writers accused.

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24 August 2026 · 5 min read

Why Your LinkedIn Posts Get Flagged as AI (And What Reach You Lose)

LinkedIn added a native report control for AI slop. The formatting habits that trigger it are the same habits every engagement guide told you to adopt, which is why good posts and machine posts now look identical.

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24 August 2026 · 7 min read

What Is AI Slop? The Measurable Definition

AI slop is machine-written text that is fluent, confident and says nothing. Here is where the word came from, the four signatures that identify it, and how to check whether your own writing has them.

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24 August 2026 · 6 min read

Why Is AI Slop Everywhere? Four Mechanisms, Not One

AI slop is not a story about lazy writers. It is what happens when the cost of producing text falls to zero, models are trained to prefer a specific register, and platforms pay per upload.

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24 August 2026 · 5 min read

Words ChatGPT Overuses (With the Replacements That Actually Work)

Thirty of the most over-selected words in machine writing, each with the measured multiplier and a concrete replacement. Plus why swapping words alone will not fix your drafts.

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