BusinessSelf-improvement: optimizing our livesTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusiness03/20/2018March 20, 2018Nutrition apps, fitness trackers and sportswear sensors - high-tech gadgets designed to make us more successful, high-achieving and efficient are all the rage. But do they leave us all feeling massively under pressure to perform?https://p.dw.com/p/2udssAdvertisement