Follow ZDNET: Add us as a preferred source on Google. Have a USB device near you? Look closely at the port -- do you see a color? It turns out that it actually means something. There's a standardized ...

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 ...

If you have ever taken a close look at the side of your laptop or the back of your desktop, you've probably noticed that not every USB port looks the same. Some are black, others are blue, red, yellow ...