It seems that most people, even intelligent and well-informed people, are confused about the difference between the Internet and the Web. No one has expressed this misunderstanding more clearly than Tom Wolfe in Hooking Up:

I hate to be the one who brings this news to the tribe, to the magic Digikingdom, but the simple truth is that the Web, the Internet, does one thing. It speeds up the retrieval and dissemination of information, partially eliminating such chores as going outdoors to the mailbox or the adult bookstore, or having to pick up the phone to get hold of your stock broker or some buddies to shoot the breeze with. That one thing the Internet does and only that. The rest is Digibabble.

This confusion between the network and the services that it first enabled is a natural mistake. Most early customers of electricity believed that they were buying electric lighting. That first application was so compelling that it blinded them to the bigger picture of what was possible. A few dreamers speculated that electricity would change the world, but one can imagine a nineteenth-century curmudgeon attempting to dampen their enthusiasm: “Electricity is a convenient means to light a room. That one thing the electricity does and only that. The rest is Electrobabble.”

The Web is a wonderful resource for speeding up the retrieval and dissemination of information and that, despite Wolfe’s trivialization, is no small change. Yet, the Internet is much more than just the Web.

This separation is fundamental. The Web is an application that runs on the Internet, which is an electronic network that transmits packets of information among millions of computers according to a few open protocols. An analogy is that the Web is like a household appliance that runs on the electricity network. A refrigerator or printer can function as long as it uses a few standard protocols—in the U.S., things like operating at 120 volts and 60 hertz. Similarly, any application—among them the Web, e-mail or instant messaging—can run on the Internet as long as it uses a few standard Internet protocols, such as TCP and IP.

Manufacturers can improve refrigerators and printers without altering how electricity functions, and utility companies can improve the electrical network without altering how appliances function. The two layers of technology work together but can advance independently. The same is true for the Web and the Internet. The separation of layers is crucial for innovation.