The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, we look at miniature video cameras, used worldwide. In 1989, a Japanese firm created the smallest, lightest video camera in the world, which was the length of a Japanese passport. It helped people all over capture precious memories, like their children's growth and important vacations. We look into the little-known story behind the creation of these video cameras.