How the Internet Works - How It Works Author:Preston Gralla Have you ever wanted to know how data travels from computer to computer, around the world? Have you ever wondered how web sites can track users or how newsgroups work? How the Internet Works not only tells the reader how it works, but show -One of the most popular four-color computer books of all time, How the Internet Works visually shows use... more »rs how data travels over the Internet -Its full-color, detailed graphics explain to users of all levels first hand terms and technologies -Features the latest in Internet technology such as Instant Messaging, blocking Spam and data tracking« less