it could also have significant influence in the mobile news feed, which offers a huge opportunity for a wide variety of new input signals. For the first time, in a long time, Facebook has addressed more details regarding the EdgeRank algorithm. Facebook's news feed product manager Will Cathcart simplified how the news feed works with the following: 1. Prior interaction with an author's posts: If you like every post by a page that Facebook shows you, it will show you more from that page. 2. Other people's reactions to a specific post: If others on Facebook are shown a post and ignores it, or complains, it's less likely to show up on your news feed. 3. Your interaction with posts of the same type in the past: If you always Like photos, there's a better chance you'll see a photo posted by a page. 4. If a specific post has received complaints by other users who have seen it, or the page who posted it has received lots of complaints in the past, you'll be less likely to see that post. This factor became a lot more prevalent with the EdgeRank update in September 2012. We're going to break down each component to help provide deeper context into what that means for your brand. 1. Engagement History (Affinity) Has this fan engaged with your page's content before? Facebook wants to determine the likelihood that a fan will engage with your future content. They use historical Engagement to understand the affinity