A thumbs up or 'Like' icon at the Facebook main campus in Menlo Park, California
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Five ways to stay safe online

8 February 2016 Last updated at 12:09 GMT

As part of Safer Internet Day, Newsround's been looking at ways you can keep yourself safe online.

Jonathan Baggaley, from The Child Exploitation and Online Protection Centre (CEOP), has given Newsround his top five tips when you're using social networks.