Although it wasn't the first video-sharing website, YouTube has become the most popular place for posting and viewing short videos. Read about the beginnings of the site, its creators, and how it became a social phenomenon with millions of participants all around the world. YouTube describes the invention and development of YouTube. Includes glossary, websites, and bibliography for further reading. Every great invention begins with a great idea! Read all the books in this series and learn about the history and impact of some of the most fascinating innovations and inventions of our time. Explore the idea's early stages of development, problems encountered along the way, and how each great idea has influenced our lives. From popular culture and the environment to life-saving machines, learn about the ideas, people, and technologies that made it all happen. This series correlates with The Science, Technology, Engineering, and Math (S.T.E.M.) curriculum initiative.