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Found a video guide to spotting posts written by LLMs. Thought it might be useful. (www.youtube.com)

submitted 3 days ago by [email protected] to c/[email protected]

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TL;DR for AI writing warning signs:

Use of the em-dash (—)
Parallel sentence structure (e.g. "It's not just X, it's Y")
Grouping things in threes or at least odd numbers
Delineating line breaks with emojis
Odd/unnatural verbiage
Overuse of filler words (talking like your average LinkedIn post)
Exaggerated and empty praise
Weird analogies and similes
Restating and overclarifying points

TL;DR for signs something was written by a human:

Including anecdotes
Written in the first person
Tangents and nonlinear storytelling

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[-] [email protected] 26 points 3 days ago* (last edited 3 days ago)

I thought it would be the semicolon, judging from the thumbnail. Now that would piss me off; I love semicolons, it would be unfair if they become the hallmark of LLMs.

I also appreciate the long dash but on mobile keyboard it's so awkward to find that nobody uses it for comments anymore.

[-] [email protected] 10 points 3 days ago

Personally, I use the em-dash a lot, but I just type it as --.

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this post was submitted on 06 Jul 2025

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