You’re driving down an unfamiliar road. Your phone says “turn left in 200 feet.” You turn. And suddenly you’re in a parking lot — or worse, a dead end — while the little blue dot on...

You pull your phone out of your pocket and notice it feels warm—maybe even uncomfortably hot. You weren’t doing anything unusual, just scrolling, texting, or checking a few apps. It’s a feeling that can catch you...