If you have Cable, DSL, or some other form of high-speed Internet, chances are, you've purchased a wireless-capable router so that you can connect to the Internet via your notebook PC, smartphone, or any other wireless-enabled device you have in your home.
Many of you out there may be using a wireless router that is 5 years old or more. These devices tend to be set up and forgotten for the most part. Once it's set up, it just sort of does its thing, save for the occasional glitch that requires you to reboot it.