If you bought an old phone on the used marketplace, it might not be safe to use. Here's how to protect yourself.

It may be time to rethink landlines after all. Also referred to as POTS, an easy-to-remember acronym that stands for “plain old telephone system,” this trusty ol’ tech may serve as a ...

But that old phone can find new life with a new task — turn it into a remote system monitor that lets you peer inside a Windows computer to see that machine's vital stats. I have an ulterior ...