Your old phone has a built-in camera, which you realize. But that means it has all sorts of uses. You could plug it into a ...

People are selling old phones with TikTok installed for as much as $50,000, and the boom is growing, as Google and Apple have removed the app from their online stores.

Don’t throw your old phone into that drawer you hardly ever open. You can put it to work by using it as a security camera and check up on your home when you’re not there. I tried it ...