Have a USB device near you? Look closely at the port -- do you see a color? It turns out that it actually means something.

For over a decade after its 1996 debut, the USB port was a plain, black rectangular slot that powered keyboards and mice. That changed in 2008, when blue ports began appearing on devices to mark the ...

The USB, or Universal Serial Bus, is a common type of connector or port that has been an integral part of our lives for many years. Most computing devices or peripherals we use, like our keyboards and ...