Finding out your phone has been hacked will rank up there as one of your worst days in the life of a smartphone owner. That ...

A GPS tracker can beam location data straight to your phone, letting you know at a glance if your child is where they're supposed to be or how to find them if you've lost sight of them in a crowd.

LONDON — Smartphones are useful tools for everyday life, but they’re privy to nearly everything about you, including all the places you’ve been — if you let them. When you use a map app to ...