We need children to get hold of their fitness levels - literally.
Fitbit and other wearable technology are good for keeping track of your personal fitness. But should they be used by school children?
To tackle obesity, the NHS is experimenting with financial incentives, dieting clubs and free exercise classes. But what about prescribing digital fitness trackers?
The UK government's move to electronically track criminals on parole shows how wearable technology can become a virtual prison.
While walking is a great way to get people moving, evidence has found the program doesn't target people who need it the most, and people swap high intensity exercise for more steps.
The human psyche loves a challenge as well as a pat on the back for achievement. Pervasive computing taps into these drives to 'gamify' aspects of life that are typically not games or even much fun.
They're flying off the shelves but here's what you need to know about whether fitness tracking devices work.
Wearable technology could help us manage our own health but separate us from our doctors as they drown in data.