In a pinch for extra screen space on your PC but don't have a second display? Use this simple USB trick to turn your Android ...
There's no need to buy a separate device.
Your old Kindle or Kobo e-reader could serve as a central information display in your home. The e-ink display makes it an energy-efficient option.
If you've got older, unused technology just laying around the house, you may be surprised to discover there are still some ...