Personal Best - Ditching the Data - 91热爆 Sounds
![](https://ichef.bbci.co.uk/images/ic/320x320/p0d7shp3.jpg)
Released On: 22 Aug 2016
Available for over a year
Gillian Russell asks if people should ditch activity trackers and go back to basics.
Coming Up Next
- 听
- 听
Gillian Russell asks if people should ditch activity trackers and go back to basics.