Wearable devices: tracking your every step may not make you happier

Self-tracking apps and devices allow us to monitor our behaviour, but we should be cautious in expecting them to drive improvements in our wellbeing“Fitter, happier, more productive” is a cynical line even by Radiohead’s standards. But the band’s song, released in 1997, did manage to predict the near future: an explosion of apps and wearable devices devoted to monitor people’s lives with the purpose of boosting self-control and suppressing naughty habits. This movement, referred to as