Widespread concerns around the privacy impact of online technologies have corresponded with the rise of fly-on-the-wall television documentaries and public-by-default social media forums allowing parallel commentary. Although information about children has traditionally been regarded by society, law and regulation as deserving of particular protection, popular documentaries such as Channel 4′s ‘The Secret Life of 4, 5 and 6 year olds’ raise questions as to whether such protections are being deliberately or inadvertently eroded in this technological ‘always-on’ online age. The article first describes the documentary series and the results of an analysis of related Twitter interaction. It considers responses to freedom of information requests...