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An important fact about Facebook – Edge Rank Algo

post2What is Edge Rank Algo? Is it like some real Algorithm? Yes, it’s an algorithm on which part of Facebook works.Did you ever notice that when you post something on your wall, when you ‘like’ something, when you comment on any post, with what frequency is it visible on to others facebook wall? It’s the Edge Rank Algorithm that decides the visibility of the post.
Just imagine you have 500 friends in your list and every minute or hour somebody posts anyhting or likes anything or comment. So what could be the visibility of those posts in their news feed are decided by an Edge rank Algorithm.
Edge rank = u*w*d
Mathematically it’s written as Sigma = Ue * We * De
u = affinity score between viewing user and edge creator
w = weight for this edge type(create,comment,like,tag)
d = time decay factor based on how long ago the edge was created.
Edge rank determines how many people will be able to see your post or link that you have shared on your facebook wall in their news feed. Everybody wants his link or post to be seen by everyone in his/her friends list.As a business purpose too, you want your link or content to get a vast audience and expand its visibility to no limit.
When a post is shared on facebook, it is considered as an object by the algo and the interactions with the post such as like, comment, share, tag etc create an “Edge”.More the Edges you gain, more visibility of the post in your News feed.
It’s a small thing but counts a lot when you are thinking out of the box.This is the reason today any website or blog has a facebook like button,they ensures that they dont miss out the smaller but very powerful thing that can have large impact on the business.

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