What is a key fob, anyway? A key fob is a small remote device that allows you to control a keyless system. With a key fob, ...

Walmart Inc. is testing technology in stores that would let people open security locks for products from their cellphones, a bid to protect against theft without hindering sales.

OS 18.2 lets you add a volume control slider to the lock screen. This setting is disabled by default, so here's how to turn ...