To blur or not to blur. News outlets have a history of caution when it comes to depicting children without their parents' permission. But a new wave of stories about risque costumes posted by parents on social media have thrown up different approaches.

This week, a young boy dressed as Ben Cousins had a parent dab white flour on his nose to represent the footballer's drug use. The Daily Mail decided not to blur the photo, which is still available on social media. Yahoo7, meanwhile, had the unidentified child's face blurred.