The Child Exploitation and Online Protection (CEOP) Centre has created a new interactive film, First to a Million which focuses on young people who post video content online.
The film highlights how quickly uploaded internet material can spiral out of control and where young people can get help if it does.
The video deals with a range of scenarios that young people might face, including sexually explicit material.
Research shows that 88% of self-generated, sexually explicit online images and videos of young people are taken from their original location and uploaded onto other websites.
CEOP's video can be viewed here:
More top news
Donald Trump is set to be sworn in as the 45th President of the United States but major questions still remain over his team.
Ana-Alecia Ayala became an internet sensation for her video showing her dancing and laughing through intensive chemo treatment.
In a week that has lurched from the bizarre to the surreal, we are now just a day away from one of the great rituals of American democracy.