The web has been with us for more than a quarter of a century. It has become a daily and ubiquitous source of information in many peoples’ lives around the globe. But what does it tell us about historical and social change? For a researcher in the twenty-second century, it will seem unimaginable that someone studying the twenty-first century would do anything but draw heavily on the online world to tell them about peoples’ changing lives. Currently, however, the web remains an almost untapped source for research. This book aims to make a start in this direction.If the importance of dusty – or digital – archived material seems like something that would be mainly of importance to academics, con-sider the following two examples: In late 2013, it was discovered that the UK Conservative Party had deleted political speeches that it might find inconvenient from the party’s websites and had also throttled access to these sites via Google and the Internet Archive.