Unexpected battery drains could mean someone is tracking your Android or iPhone device, or it could be something else in your phone pulling all that juice. Check our list of common battery drain ...

maybe even months for someone to respond to an email ... If not, a third party service may be needed to track your email read receipts. If you've already sent that email, sorry folks, it's ...

As spyware attacks hit the headlines, how can you tell if your iPhone is being tracked, and what can you do to prevent it? I’ve got some good news and some bad ...

You can double-check that someone's safe when they're late, for example, or make it easier for your group to rendezvous ...

Smartphone is the greatest gift of this technological era. From storing valuable information such as pictures to tracking your GPS location, it can do everything. This makes it the most convenient ...

From the demo, the researchers were able to detect someone’s pulse by noting the very minute changes in the color of their skin whenever their face is pumped full of blood. A neat side effect of ...

I know people who have casually discovered dubious behavior through location tracking. Someone suddenly going dark—“location unknown”—at a key moment. I know people who have seen children ...