Strava Heatmap shows that fitness trackers represent a privacy threat.

Where you jog, where you work, and, yes, where you sleep — all this and more is collected, aggregated, and analyzed by the companies behind the exercise apps on your smartphone and the devices you strap to your body. And that's a problem...

Strava Heatmap shows that fitness trackers represent a privacy threat.

Where you jog, where you work, and, yes, where you sleep — all this and more is collected, aggregated, and analyzed by the companies behind the exercise apps on your smartphone and the devices you strap to your body. And that's a problem...