Book excerpt: An essential guide for parents navigating the new frontier of hyper-connected kids. Today's teenagers spend about nine hours per day online. Parents of this ultra-connected generation struggle with decisions completely new to parenting: Should an eight-year-old be allowed to go on social media? How can parents help their children gain the most from the best aspects of the digital age? How can we keep kids safe from digital harm? John Palfrey and Urs Gasser bring together over a decade of research at Harvard to tackle parents' most urgent concerns. The Connected Parent is required reading for anyone trying to help their kids flourish in the fast-changing, uncharted territory of the digital age.