Every Step You Take

With smartphones and fitbits, tracking elements of your life has moved on from the dedicated followers of the Quantified Self movement, to something that any of us can do. Accompanied at all times by her step-counting app which she can't help but check several times a day, Claudia Hammond asks whether tracking your every move can affect your behaviour in unexpected ways. Producer: Adrian Washbourne First broadcast on Tuesday 29 August, 2017.