When the Internet first emerged,computers actually made direct calls to each other.Today, networks are all around us,so computers can communicate seamlessly.The communication enabled through the Internet has many uses,such as email, file transfer, and conferencing.But the most common use is accessing the World Wide Web.Think of the Web as a bunch of skyscrapers,each representing a web server,a computer always connected to the Internet,specifically designed to store information and share it.