It seems these days that kids always have a screen in front of their eyes, and concerns are raising about what it means for cognitive development, reading and social skills, attention spans, and technology addiction. But are screens always bad?

In for Jim Braude, Adam Reilly was joined by Lisa Guernsey, director of Learning Technologies Project for New America and co-author of "Tap, Click, Read: Growing Readers In A World Of Screens"; and Anya Kamenetz, author of "The Art Of Screen Time: How Your Family Can Balance Digital Media and Real Life" and education correspondent for NPR.