It may describe itself simply as a technology company, but the primary moneymaker for Snap (SNAP -1.04%) is its popular Snapchat app. And with 750 million people using Snapchat every month around the world, it's fair to say the app is a huge success.Snap generates revenue from this enormous Snapchat user base by displaying ads. Of its 750 million monthly users, over 400 million use it every day, on average. And its user base is heavily concentrated in younger-age demographics. Management believes this is a ...