It's the stuff of spy movies: someone plants a GPS tracker or Apple AirTag in your car without your consent and uses it to track your every move. While this may seem like a farfetched scenario, it's ...

Most people are interested in tracking their personal belongings. Knowing where they are at all times can be useful for convenience and caution, especially when they are out of reach or vision.

GPS trackers and AirTags look like they do the same thing. They don’t. One is a live-positioning tool; the other is a Bluetooth breadcrumb. A GPS tracker talks directly to satellites orbiting 12,000 ...