To keep safe online, don't tell people personal details
If someone asks you to meet up, say no and show a parent
Don't click on suspicious links. Such as:
You have won a competition! Collect your prize!
You have a virus! Remove it with this link!
Tell a trusted adult if something you see online worries you.
Trolling is when somebody purposefully annoys somebody to get a reaction. It usually makes someone angry or upset