Largest Advertising Marketplace In the World – If Facebook were a country, it would be the fifth-largest country in the world, after China, India, the U.S., and Indonesia, just because of its users. In Facebook, you could target your potential customers by using Facebook Business, precisely, because Facebook completely knows their interests, behavior and characteristics more than themselves. For users, Facebook is a tool for them to entertain, get to know more people and understand what’s happening in every corners of the world; But for you, it’s a large marketplace for you to attract and gain more customers, also expand your brand awareness in shortest time.