Reminds me of this article from Thasos Group that analysed smart phone signals at a Tesla factory to infer overtime work: http://thasosgroup.com/blog/thasos-dat

Reminds me of this article from Thasos Group that analysed smart phone signals at a Tesla factory to infer overtime work: http://thasosgroup.com/blog/thasos-data-tesla-wsj/ http://thasosgroup.com/blog/thasos-data-tesla-wsj/