How the Facebook algorithm works, according to Facebook

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Whenever announces an update or test their ranking algorithm, Facebook lets apprehensive of the whole world marketers.

That’s because most of the companies are in the social network and depends on it, at least in part, to disseminate content, products and services.

Recently, for example, caused controversy the news that Facebook chose six countries – Bolivia, Guatemala, Slovakia, Serbia, Sri Lanka and Cambodia – to a test in which only friends and family publications appeared in the news feed.

No pages of posts. The fear was to pay to enter the company’s publications on the home page of the social network would become mandatory for all. Facebook denied that intend to do so in the future.

It is speculation like this it is always interesting to know, in an official way, like Facebook’s algorithm works.

In October 2017, the social network has released a video that explains how the news feed works. On the same occasion, also made public some principles for publishers who wish to be successful on the site.

Presented by the vice president of product management of social networking, Adam Mosseri, who looks after the news feed, recording brings some important insights. Learn about:

How the Facebook algorithm

Adam Mosseri begins stressing that his goal is to connect people to publications that matter most to them. And that, to do this, Facebook uses an algorithm that calls Ranking.

He says, explaining simply, an algorithm is a formula, with a few steps, which aims to solve a given problem. But the idea is a bit abstract. So, give a practical example:

Say I’m waiting for my wife in a restaurant and she’s late. She sends me a message asking to order. At that moment, I have a problem to solve. I need to decide what I ask food for her. And this problem can be divided into stages.

The first thing he would do is check what’s on the menu, since it is not possible to ask for something that is not available in the restaurant.

Then consider all available information to try to make a decision. Data such as: Does she like fish? He did not like hamburger? It’s time for lunch or supper? What this restaurant has good? What she had for lunch yesterday?

Thus, it is possible to estimate the probability that she be happy with a particular choice.

On Facebook, each of these steps has a name.

Inventory

The first of the steps used for the ranking is called inventory .

In the news feed, the menu of the restaurant are the stories of friends, family and people and pages you follow have not yet been displayed.

Signals

The second is call signs , which are the information available to make decisions.

How old they are given as a publication is, who published it, how fast your connection is and even what type of mobile you use to access the application.

“We rely on signs and community feedback to decide what content can be considered troublesome, as violent content, spam , publications fighter-clicks ,” explains.

predictions

Facebook uses the signals to try to make predictions , the third step, which determines how susceptible to enjoy or share certain publication – or even hide it or denounce it – you are.

These predictions are weighed and each publication is a note that says how interested the Facebook thinks you’re in a certain publication available in your inventory.

The posts are then sorted according to this score, the more interesting for the less interesting.

That’s the way that Facebook uses today to sort out what appears on the timeline for all users.

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