PlainAI museum of AI
About

— A curated exhibit · 78 plates · 4 trails —

Understand AI, plainly.

Each topic is a small exhibit. Read the 30-second gist, expand the depth if you want. Real examples, honest about what AI does and doesn't know — for the curious, not the trained.

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78 topics so far. All 78 are written; new exhibits added regularly.

Reading paths

A short, ordered set of exhibits for a specific moment. Built by hand, never auto-generated.

How AI works

14 topics
How AI works30s read

Context window

How much an AI can read in one go — and why it forgets the earliest part of a long conversation.

#beginner
How AI works30s read

Deepfake

Deepfake — a photo, video, or voice clip that looks real but was made by a computer. 30-second gist with optional depth.

#scam #beginner #urgent
How AI works30s read

Embedding

An embedding is how a computer turns words into numbers it can compare. The quiet machinery behind search, recommendations, and 'more like this'.

How AI works30s read

Fine-tuning

Fine-tuning is teaching a general AI to do one specific job well. Plain-English explanation of when and why companies do it.

How AI works30s read

Generative AI vs the older kind

Not all AI is ChatGPT. The recommendation engine, the fraud detector, the spam filter — those are AI too, just a different kind.

#beginner
How AI works30s read

Hallucination

Hallucination — when an AI says something untrue with full confidence, as if it were a fact. 30-second gist with optional depth.

#trust #beginner
How AI works30s read

Large language model

A large language model (LLM) is the engine behind ChatGPT, Claude, and Gemini. Plain-English explanation of what it is and what it can and can't do.

#beginner
How AI works30s read

Multimodal AI

Multimodal AI can read text, look at pictures, and listen — at the same time. Plain-English explanation of why this changes everything.

How AI works30s read

Open weights

An open-weights AI is one anyone can download and run themselves. Plain-English explanation of why this matters.

How AI works30s read

Prompt

A prompt is what you type to an AI. Why a small change in wording can change the answer a lot — plain-English explanation.

#beginner
How AI works30s read

RAG · answering from your documents

How an AI answers from a specific set of documents — your company's policies, your library of PDFs — without retraining the whole model.

#beginner
How AI works30s read

Reasoning models

A new generation of AI that pauses to think before answering — slower, more expensive, often more accurate.

#beginner
How AI works30s read

Token

A token is the chunk of language an AI works with. Why a long letter sometimes 'costs' more than a short one.

How AI works30s read

Training data

Training data is the books, websites, and conversations an AI learnt from. Plain-English explanation of what's in it and why it matters.

#beginner

In the wild

13 topics
In the wild30s read

"AI overview" in search

The little AI summary at the top of Google search results. When to read it, when to skip past, when to mistrust it.

#trust
In the wild30s read

"This email feels off"

Why so many emails suddenly read the same. What it tells you. Plain-English signals of AI-written messages.

#trust
In the wild30s read

AI books on Amazon

Why Amazon's Kindle store is full of AI-generated books in 2026. What to look for. The real harm in some categories.

#trust
In the wild30s read

AI in customer support

When you're talking to a bot, when to ask for a human, and how to tell. Plain-English guide.

In the wild30s read

AI in social media comments

Bot accounts using AI to comment on Reddit, X, YouTube. What they're trying to do. How to spot them.

#trust
In the wild30s read

AI in your smart speaker

Alexa, Google Home, and Siri moved to LLMs in 2024-25. What changed under the hood. What you can switch off.

#privacy
In the wild30s read

AI music in your playlists

How much of Spotify is now AI-generated? And does it matter? Plain-English explainer.

In the wild30s read

AI on dating apps

Profiles, photos, and the new shape of romance scams. Plain-English explainer.

#scam
In the wild30s read

AI summaries on news sites

The little box at the top of every article. When to trust, when to scroll past. Plain-English guide.

#trust
In the wild30s read

AI-written reviews

Why so many product and restaurant reviews suddenly read the same. How to spot one in 2026.

#scam #trust
In the wild30s read

Face filters and you

What happens to your face after you scan it for a beauty filter. Plain-English privacy guide.

#privacy
In the wild30s read

Spotting an AI image

The 5 telltales of an AI-generated image in 2026 — and the 3 that no longer work. Plain-English checklist.

#trust
In the wild30s read

Voice clone

A voice clone is a synthetic copy of someone's voice, made from a short audio sample. How much voice does an AI need? Less than you think.

#scam #urgent

Trust & truth

11 topics
Trust & truth30s read

"AI safety" — what people mean

Three different things people mean by 'AI safety'. Plain-English breakdown so the next news story makes sense.

#beginner
Trust & truth30s read

"I'm not sure" — when AI says it

A rare moment that means more than the answer itself. Why AI uncertainty is worth listening to.

Trust & truth30s read

AI citations

How to tell a real AI citation from an invented one in under 10 seconds. Plain-English habit.

Trust & truth30s read

Cross-checking AI

A 30-second routine for any AI answer that actually matters. Plain-English, practical.

#trust
Trust & truth30s read

Date awareness

Why AI sometimes thinks it's still 2023, and what to do about it. Plain-English explainer.

Trust & truth30s read

Getting AI to admit its limits

A handful of prompts that consistently get more honest, more uncertain answers from AI.

#trust
Trust & truth30s read

Lying vs confabulation

Why 'the AI lied to me' isn't quite right — and what's actually happening when an AI says something untrue.

Trust & truth30s read

Spotting AI-written text

The patterns that give AI-written text away — and why they keep changing.

Trust & truth30s read

Sycophancy

Why the AI keeps agreeing with you — and why that's a warning sign, not a compliment.

Trust & truth30s read

Watermarking AI content

The hidden signal AI companies are trying to embed in generated images and text — and whether it actually works.

#trust
Trust & truth30s read

When AI refuses to answer

Why AI sometimes says "I can't help with that". What's a sensible safety policy versus an over-cautious glitch.

#trust

Privacy

10 topics

Family

10 topics

Work

11 topics
Work30s read

"AI was used" — when to disclose

A short rule that keeps you safe from quiet career damage. Plain-English ethics for AI at work.

Work30s read

"Enterprise" AI vs the public one

Why your IT team really cares which one you use. Plain-English explanation of the difference.

#work #privacy
Work30s read

"Will AI replace me?"

The honest answer: not your job — your tasks. Plain-English take on AI and work in 2026.

#work
Work30s read

AI and knowledge work

Lawyers, accountants, teachers, analysts — what AI is changing in 2026 for each. The skill that has gained the most value.

#work
Work30s read

AI auto-replies

When the email you got was written by AI. When yours was. When to stop.

Work30s read

AI in customer-facing roles

When the AI helps. When it sounds like it helps. The difference. Plain-English take.

Work30s read

AI in hiring

Beyond CV screening: AI in interviews, video screening, scheduling, reference-checking. What's actually happening in 2026.

#work
Work30s read

AI in performance reviews

Some companies now use AI to summarise your last year of work — meetings, emails, code commits — for performance review prep.

#work #privacy
Work30s read

AI in your meetings

What's recording, who hears it, when to ask the AI to step out. Plain-English meeting etiquette.

#work
Work30s read

AI mistakes that cost real careers

What 2023-25 taught us about how AI quietly damages careers. The pattern is the same every time.

#work
Work30s read

Pasting work into AI

A short rule for what you can paste — and what you really shouldn't. Plain-English work safety.

#work

Looking ahead

9 topics