These days it seems like there isn't enough time to do all of the reading on a variety of topics that I want to do. So, I often listen to podcasts while en route to-from work or while on an airplane. If you are wanting to know more about early childhood development, try this link from "Zero to Three" that has podcasts and resources:
ZERO TO THREE: Little Kids, Big Questions: A ZERO TO THREE Podcast Series on Early Childhood Development
I thought the "Turning On or Tuning Out: The Influence of Media on Young Children’s Development" Featuring Ellen Wartella, Ph.D. had good information in it.