Facebook has its own method of showing you updates from your friends and the pages you like, which means you don’t see all what is being posted, but what is ‘most important to you’ according to Facebook. This is called ‘Edgerank’.
Marketers off course want to know how this works so they can adjust their content sharing in such a way that as many people as possible see it. But how does it work? A lot of posts have been written about it already, with different success. Last year Postrocket tried to put its finger on it with this infographic.