Nannying is a profession woven into British culture, but as Emma Jacobs reports, technology, education and parental expectations are transforming the role.
Filmed by Steve Ager, Nicola Stansfield, Petros Gioumpasis. Additional material: Getty. Animations by Russell Birkett. Edited by Nick Swinglehurst and Seb Morton-Clark. Produced by Nalini Sivathasan and Seb Morton-Clark. With thanks to Koru Kids.