Taylor Swift fans want to know more about the jet tracker that allows people to track her plane and why some fans track her jet. Here's all you need to know about the Taylor Swift jet tracker.

The Grammy winner was photographed leaving New Orleans on a private jet after her boyfriend and the Kansas City Chiefs lost the Super Bowl.

Taylor Swift has threatened to take legal ... called for him to stop "stalking and harassing behavior" and said the jet tracking had caused Swift to live in a "constant state of fear for her ...