GPS tracking

AllTrails, a website and mobile app that offers members access to data on more than 50,000 trails across the U.S. and Canada, has launched a new feature called Lifeline that gives users the ability to share route and travel plans with friends and family, while also providing live tracking of their progress for others.

The Tractive 3G GPS pet tracker allows users to keep tabs on the whereabouts of their dog or cat at all times.

Need to keep tabs on your pet? You won't have to worry about your furry companion with the Whistle GPS pet tracker, now $50 from Best Buy.

Nepal isn't taking chances with Mt Everest's reputation. The country is testing issuing GPS tracking devices to stop fake summit claims.

To live your very own version of The Truman Show, look no further than a national park, where some scientists are now tracking humans.