A system that picks what to show you based on what you've liked before. Built to keep you scrolling, not to help you feel good.

Apple's wireless sharing. If set to "Everyone," random people nearby can send pics to their phone.

A paid subscription with rewards for daily play. Built to make them come back every day.

A secret second account to hide stuff from parents or post things they don't want linked to their main profile.

UK police team for online child abuse. Report to them at ceop.police.uk.

Child sexual abuse images. Illegal to have, share, or watch. Report it to the Internet Watch Foundation (iwf.org.uk).

Fake video or photo made with AI showing someone doing or saying something they didn't do. Used for scams and harassment.

Blocks bad websites at the network level. You change DNS settings on your router to make it work.

Posting someone's private info online - their address, school, phone number - usually to get people to harass them.

Private message between two people, hidden from everyone else. Most grooming and bullying starts here.

Security setting so only sender and receiver can read messages. WhatsApp, iMessage, and Signal use it. The app itself can't see what's inside.

Slang for "fake Instagram" - a second account for posts they don't want their friends or parents seeing on their main profile.

Fear of missing out. Apps engineer FOMO deliberately - it's the hook that keeps your kid (and you) scrolling.

Logging into someone else's account and posting as them, often as a "joke" but it's actually fraud and bullying.

Photos automatically tagged with GPS location. Can show exactly where home or school is.

When an adult builds trust with a kid online to manipulate them for sex or exploitation.

Browser setting that doesn't save history on the device. But your router and ISP still see everything.

Any physical device connected to the internet: smart speakers, TVs, cameras, smart toys, watches, thermostats.

Live video to an online crowd. Can't be edited once it's up, and viewers can screen-record everything.

A paid mystery box with random stuff inside. Researchers say it works like gambling on the brain.

Bad software designed to damage, break, or hack a device. Includes viruses, spyware, ransomware, trojans.

False info spread by accident. Not the same as disinformation, which is false info spread on purpose.

Internet slang for sexual, violent, or other inappropriate content you shouldn't look at at work.

Software and settings parents use to limit, watch, and control what kids see, which apps they use, and how long they're on screens.

Game design where paying real money makes you better at the game than kids who don't pay.

A scam that tricks you into giving up passwords or credit card numbers by pretending to be a trusted company.

Collecting public info from social profiles to map out where someone lives, what they do, and who they know.

A trick to get AI chatbots to make harmful stuff by hiding instructions in what you ask them.

Roblox's fake money. You buy it with real cash to get in-game stuff, avatar gear, and game passes.

Filter that blocks explicit images and stuff from search results. Available on Google, Bing, YouTube.

Total time spent looking at screens. But not all screen time is equal - what they're doing matters more than the hours.

Sending naked or sexual messages and photos. Under UK law, making or sharing sexual images of anyone under 18 is illegal, even if they're peers.

A tool for checking if info online is real: Stop, Investigate the source, Find better coverage, Trace claims. Helps you spot lies.

Snapchat feature showing your real-time location to friends. You can turn it off with Ghost Mode.

Posting mean or rude stuff on purpose to upset people or wreck conversations. It's cyberbullying when aimed at someone.

Security setting that needs a password plus a code (usually texted or from an app) to log in.

Fortnite's fake money. Buy it with real cash and spend it on skins, battle passes, and stuff.

Software that hides what you're doing online and where you're connecting from. Kids sometimes use it to get around parental controls.

AI that copies a person's voice from a short clip and makes them say new stuff. Used in scams pretending to be family.

A social app for teens with live streaming. Adults can fake their age to join, which makes it risky for grooming.

A security hole the developer doesn't know about yet. Updates help protect against it, but nothing is 100% safe.

Everything they've ever done online: posts, searches, buys, locations, messages. Basically impossible to erase completely.