Like a personal trainer for the digital age, Abby Stokes is the hand-holding, motivating expert that newbies--specifically older newbies--turn to when they want to become digitally literate. And her book, Is This Thing On? , is as smart, comprehensive, reassuring, and jargon-free as she is: the epitome of user-friendly. And it is now completely revised and updated to keep pace with the fast-changing digital landscape, covering tablets, apps, video...