" Increasing numbers of developmental researchers observe that when parents read stories on e-books with their children, their interactions frequently center on the more mechanical and more gamelike aspects of e-books, rather than the content and the words and ideas in the stories. Most parents are simply better at fostering language and helping to clarify concepts when they read physical books to their preschool children. "

― Maryanne Wolf , Reader, Come Home: The Reading Brain in a Digital World