I couldn't agree more with this reply - there is time enough for kids to get into Gizmoland. We spent many happy hours reading real books to our two boys from pre-school right through infant and junior school. The joy of discussing the story with them, skipping back a few pages to review some detail of an earlier picture, just the feel of a real book, there is NO electronic substitute! And after a hard day at work, what better than to be net at the door by a toddler clutching a little book he wants to read WITH YOU.
And just for a smile, here's a link to a short video comparing paper to electronics: