There are warnings that paedophiles are posing as food like chicken nuggets and ice cream to target children online.
Social media experts say they're choosing objects that children would see no reason not to add as a friend.
Paedophiles are then able to access personal data and photos.
A forensic psychologist says in one case, a known sex offender set up an account in the name of a road a school was located on and 400 girls accepted his friend request.