Plain English explainers
The digital world, explained in plain English
GoJumboGPT explains AI, online security, the internet, devices and everyday digital life in plain English: what things really mean, why they matter and what to do next.
Start with a section
five areas, each broken into topic hubs that build on each other.
AI
What AI actually is, where it goes wrong, and how to use it without handing over more than you meant to.
67 articlesSecurity
Calm, practical guides to staying safe online, written for people who are not IT professionals.
35 articlesInternet
Why the wifi drops, how much speed you really need, and who is following you around the web.
19 articlesDevices
Getting more life out of the phone and laptop you already own, and buying the next one well.
16 articlesEveryday
Money, rights, judgment and helping the people around you with the technology they did not ask for.
13 articlesStart here
The explainers that make everything else easier to follow.
AI basics: what it is and how it got here
What is artificial intelligence? A plain English definition
A clear definition of artificial intelligence, how it differs from ordinary software and automation, and what today's systems can and cannot actually do.
How language models work, from tokens to reasoning
How a language model actually works: tokens and probability
What happens between your question and the answer: tokens, attention, probability over next words, and why a chatbot sounds certain about things it never checked.
Scams: how they work and what to do if you fall for one
Phishing explained: how fake messages get past smart people
What phishing is, the psychology that makes it work, how targeted spear phishing differs, and the habits that protect you when you are tired and busy.
Passwords: how to make them strong and keep track of them
Password managers explained: why one app holding everything is safer
How a password manager works, why putting every password in one place is safer rather than riskier, what happens if the company is breached, and how to start without a weekend project.
Home internet speed, without the marketing
How much internet speed you actually need
What streaming, calls, gaming and downloads really consume, how household use adds up, and why the number on your bill is rarely the number that matters.
Looking after devices and the data on them
Backups that actually work: the 3-2-1 rule in real life
What cloud sync does not protect you from, a simple backup plan for a normal household, and the restore test that proves the whole thing works.
If something has just gone wrong
Straight to the steps, in the order that matters.
Free tools
Small things that answer a question in seconds. They run in your browser and send nothing anywhere.
Free tool
Password strength checker
Check how strong a password really is. The check runs in your browser, nothing is sent or stored, and you get a plain English verdict.
Free tool
Spot the phishing message
A ten question quiz on scam texts and emails. Guess safe or scam, then read exactly which detail gave each message away.
Free tool
How much internet speed do you need
Work out the broadband speed your household actually needs based on streaming, video calls, gaming and the number of people online at once.
Free tool
Prompt checker
Paste an AI prompt and get instant feedback: missing context, missing format, vague scope and the fixes that usually improve the answer.
Recently updated
- AIPrompt injection: when a web page gives your AI new ordersHow hidden instructions in a document, email or web page can hijack an AI assistant, why the problem is hard to fix, and what it means once an assistant can act on your behalf.
- SecurityRomance scams: how the long con actually worksThe stages of a romance scam, why intelligence is no protection, the requests that give it away, and how to help someone who does not want to hear it.
- InternetWhat private browsing actually hides, and from whomPrivate and incognito windows explained precisely: what they delete, who can still see your activity, and the situations where they genuinely help.
- DevicesSmart home basics: what to buy first and what to skipHow smart home devices actually connect, which categories are genuinely useful, and the decisions that stop you from owning five apps that do not talk to each other.
- EverydayOnline banking: the habits that make fraud hardHow banking fraud actually starts, the settings and habits that block it, and how to tell a genuine bank contact from a convincing fake.
- AIAsking an AI about health, money or law: the safe wayHow to get useful information from an AI on high stakes questions without acting on a confident mistake, and the moment to stop reading and call a professional.
- DevicesUSB-C, chargers and cables: why the same port behaves differentlyWhy one cable charges fast and another does not, what the numbers on a charger mean, and how to buy cables that do not quietly limit your devices.
- EverydayReading reviews: telling real feedback from manufactured praiseHow fake reviews are produced and placed, the patterns that expose them, and a faster way to judge a product than reading the five star ones.
How this site works
One question per page
Every article answers a single question, opens with the short answer and then explains why it is the answer.
No jargon without a translation
Technical words are introduced with a plain English meaning, and the GoJumboGPT glossary keeps them in one place.
Nothing to sell
No sponsored articles, no affiliate links and no product rankings paid for by anyone. Read how we write.