Young people in Europe are now very actively using various social networks. Personally, I do not have young acquaintances who do not have a smartphone. But there is one adult who works with me at the bureau, and his name is Guido. Speech in my article will focus on cyber security.
The news feed of each user is unique: for some, it consists of politics, for others - for news from classmates and favorite football teams. Social networks are interested that we spend as much time as possible in them - so we will see more advertising. For this they need to do so that we like what we see there. Therefore, the algorithms of social networks analyze our behavior - evaluate likes, comments, reposts - and form individual news feeds based on them.
For example, we rarely correspond with one of our friends on Facebook and do not respond to its publication. Then we will see them less and less. If by the time we log into the social network, his last post will already be several hours and during this time he will get few likes, then most likely the publication will not even appear in our feed.
For users who like to watch videos, the algorithm offers videos more often. In their tape gets less posts of friends with text or photos.
How to set up a news feed on Facebook?
Initially, Facebook was conceived as a network for contact with family and friends, so the publication of various communities in the tape is artificially underestimated. To keep track of updates to specific pages, you can mark them as prioritized for display. (http://www.pnas.org/content/112/4/1036.abstract)
But how to see updates from all our friends, no matter how often we communicate with them online? In Facebook for this you need to change the settings of the tape - from popular news to the latest. Then the publications will appear in chronological order. True, next time this social network will again show the most popular news and those that, according to its calculations, may seem interesting to us.
Why do social networks need our personal data?
Like the algorithms of social networks determine our political views and bad habits. Only ten likes, and they "know" more about us than their colleagues. After three hundred, they "understand" better than the "second half." This is the conclusion made by researchers at Cambridge and Stanford universities. (http://p.dw.com/p/2mfoI)
Social network data about us is collected primarily for targeted advertising. True, it can be abused. Therefore, it is worth bearing in mind that if the post is specially marked, then the publication is promoted by someone. (http://p.dw.com/p/2o6KT)
For example, before the elections in the USA in 2016, paid provocative publications about migrants, permission to carry weapons, homosexuals were promoted from fake accounts. Their goal was the polarization of American society. Saw their users who previously responded to such topics. That is, the algorithm automatically spun these posts without checking the content. (http://p.dw.com/p/2jXHg)
In the future, Facebook plans to more closely monitor advertising. So if the content of the recommended post is in doubt, you should complain about it to the administrator of the social network.