Publishers, authors and even libraries are embracing video games to promote books to young readers. Video gaming is a fact of life for nearly every American teen. And a new study says it may actually be good for them. Do we know what our kids are doing online? New research from the Rochester Institute of Technology suggests that we don't — not really. Some experts are finding that kids aren't playing as much as they used to. TODAY's Meredith Vieira talks to marriage and family therapist Hal Runkel about the issue. Children lie at the heart of a passionate debate about just what it means to read in the digital age. The discussion is playing out among educational policy makers and reading experts around the world, and within groups like the National Council of Teachers of English and the International Reading Association.