It’s no secret that even on iOS, apps can collect your data. One way they do this is by using Background App Refresh to send data back to the analytics company.
CES - Turn Your Regular Clothes into a Fitness Tracker with Spire Health Tag
LAS VEGAS – The Spire Health Tag attaches to your regular clothes, turning them into your personal health and fitness tracker. Jeff Gamet checks them out at CES 2018.
