Today, we can connect to the Internet just about anywhere, and it's all thanks to Wi-Fi. But what is the story behind this amazing technology, how does it work, and who invented it? Readers discover all this and more in this exciting and informative exploration in which they learn about the history and people behind the technology that allows us to surf the Web, connect with others, and enjoy online entertainment wherever and whenever we want. Clear explanatory text shows readers exactly how Wi-Fi works, helps us work on the go, and allows us to tap into a big, wide world of entertainment and information. Detailed sidebars set out how the technology has transformed our lives, contrasting life before and after Wi-Fi. Biographical features explain how brilliant scientists invented and developed Wi-Fi, creating a revolutionary new technology. Wi-Fi is the ultimate guide to the science, the tools, and the people behind the tech that changed our world.