The most familiar uses of a data network are the ones that involve a computer or a game console, but the same network can also handle other forms of digital data. Today's technology makes it possible to convert almost any kind of information to digital form; if you can't find off-the-shelf equipment and software that can do the job you have in mind, you can probably assemble a system from standard parts and software.

As you install your home network, think about it as a household utility—just like electricity, telephone service, and water. Even if you only use your network to connect computers to the Internet today, it's entirely possible that new and unexpected uses will appear in the future.