Out of its over 900 million monthly active users, more than half — 488 million — already use Facebook on mobile, and that number is steadily growing. But Facebook’s mobile growth could quickly become a lost opportunity if the company doesn’t dominate the mobile advertising front. Its mobile ad strategy is already showing significant engagement, with click-through rates 14 times higher on mobile than desktop ads. But Facebook is still new to the mobile game, and has more to offer. With the right strategy, it could even save the entire mobile advertising industry.