If John Dewey's ghost were to walk in these classrooms, he might be proud to see how deep his spirit has penetrated education in this fast speed digital era. For over a decade, the author has observed and practiced John Dewey's educational philosophy in her teaching career. With both quantitative and qualitative approaches, this book reported on teachers' perspectives, preparations, and practices of digital technologies in the digital era--the information age known as the computer age, digital age, and new media age.