The Internet has changed the way more than half the world's population communicates and accesses information. The invention dates to the Cold War, when its purpose was to provide security. Today, the Internet does so much more Readers will learn about the development of the Internet, how it impacts life today, and what it may look like in the future. A profile introduces an Internet pioneer, a diagram shows how the Internet works, and fun facts offer interesting trivia. Open the cover to a world of information.