When we're not reading books online with our child, we like to unplug and head for the outdoors. For our first summer vacation of the year, we decided to go camping near Lake Tahoe. At dinner we asked our son to pack some things to play with on our trip. He packed his usual collection of trucks and Hot Wheels, but I noticed he also grabbed for a movie we recently checked out from the public library. “Honey what’s that for?” I asked. "So we can watch a movie over there.” he answered. It made me realize that although we read every night with our son, either online or traditionally, he has grown...