Showing students what they can do with their computing degree, this text uses concrete examples and case studies to highlight the positive work of real computing professionals and organizations from around the world. Each chapter profiles a corporation, nonprofit organization, or entrepreneur involved in computing-centric activities that clearly benefit society or the environment, including cultural adaptation in a developing country, cutting-edge medicine and healthcare, educational innovation, endangered species work, and help for overseas voters. Ancillaries for students and instructors are available on a supplementary web page.