Computers and technology play central roles in our lives for work, entertainment, communication, and information management. It is difficult to imagine a time without these tools and even harder to envision living without them now. How were these wonderful toys of technology created? Who is developing future innovations? Think of some of the most famous and familiar services and platforms: Google, eBay, Yahoo, Facebook. Did you know that immigrants such as Sundar Pichai, Jerry Yang, and Jan Kuom, are the creative engines behind these tech juggernauts? This book tells the story of seven of the amazing Americans changing our world.