As a superstar vlogger, Joe has experienced a lot of trolling and cyberbullying; he gave Own It some advice on how to handle it.
Have you ever wondered why horrible opinions and mean comments get so much attention online?
Do you worry that being constantly connected can make it hard to escape bullying?
For advice on getting support, hear real children's opinions or visit Childline, who can speak any time.
This content was filmed in November 2018.
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