When you're talking on a modern smartphone, the display will turn off as soon as you bring the handset to your ear. The feature is meant to prevent accidental taps or interactions with the display.

A flashing light on your Apple TV can reveal more than you might think. Here's how to interpret different blink patterns and know when to take action.

Have you ever noticed a tiny blinking light on the screen of your Samsung phone close to the camera? That light indicates that your phone's proximity sensor is being activated, and it's blinking not ...