A sixth-grade boy pounds the arrow keys and space bar on his laptop keyboard, expertly maneuvering an avatar that looks like a fat baby wearing a blue bonnet through a brightly colored maze. The video game goes "Ding!" each time the avatar eats a little yellow disc or key, and with each key, a door to a different part of the maze pops open. When the avatar reaches the end of the maze, the screen... More >>>