If the only place in the house that you use the internet is a desktop PC and it’s next to a phone socket then you probably shouldn’t be interested in wireless networking. Everyone else should be! The typical family nowadays has more than one computer, some will be desktops and some laptops. Wireless networking makes it easy for all these computers to share your broadband connection.
Also there are other devices that can use a wireless connection that you might not have realised such as games consoles and some mobile phones.
