Smartphone penetration rate in the UK is around 70%.
Does that include children?
A high percentage of secondary school children have smartphones. They are the ones who’s movements are more likely to need tracking. Primary school kids are very unlikely to be out unsupervised, as their movements are more predictable.
@andyp started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Does that include children?