There are many social networks out there but only one has captivated the attention of social marketers everywhere. Facebook – it is to social networks what a lions is to the animal kingdom. It is on top and there it will stay until another social network comes and knocks it from its pinnacle position. Why is Facebook so popular with social marketers? The following eight reasons should shed some light on the subject. These reasons should also convince you to start your own social marketing on this ultra-popular social marketing network.