Now, Facebook's product teams will shift their focus from helping users find relevant content to helping foster more meaningful interactions with friends and family, he said.
But recently we've gotten feedback from our community that public content-posts from businesses, brands and media-is crowding out the personal moments that lead us to connect more with each other. Zuckerberg said this could mean that users spend less time on the social network.
Facebook co-founder Mark Zuckerberg is paying the price for the latest changes to the social networking site, losing almost $3.3 billion of his personal net worth, according to a Forbes calculation. But it said that a sustainable solution to the challenges of the new information ecosystem required further measures.
Under the revised regime, there will be fewer posts from brands, pages and media companies and more from people.
Are people really going to spend less time on Facebook?
Though it is yet unclear what the specifics of these changes will be, it is widely speculated that people's newsfeeds will begin displaying more content from people they actually know, and less from news agencies or other professional organizations. Today, fake news, which allegedly affected the 2016 US presidential election, is widespread on the social media platform all over the world.
Mark Mahaney, an analyst at RBC, told Bloomberg: "Making the feed more relevant should boost user and engagement growth over time".
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The news has left publishers uncertain about the impact it may have on their businesses, especially as many have pivoted to video and have relied on Facebook to rack up those coveted views. The changes could jeopardize that route to their audiences, though some speculate it could be a ploy to force these companies to buy more Facebook ads. Facebook says it will demote posts which use engagement-bait in an attempt to rank higher.
Admitting that its changes will likely reduce the time people spend on Facebook less was a big deal for the company.
"We can feel more connected and less lonely, and that correlates with long term measures of happiness and health", he wrote.
"On the other hand, passively reading articles or watching videos - even if they're entertaining or informative - may not be as good", reveals Zuckerberg. Some 45% of United States adults get news from Facebook, according to a Pew Research poll in September, and many news organization have come to depend on the traffic they get from the social networking - much of it generated from users clicking on stories they see in their news feeds.
"We can speculate that the concerns reflected in Zuckerberg's post may very well have been driving these declines", Brian Wieser, senior research analyst at Pivotal Research Group, said in a note, referring to social media's site founder and CEO, Mark Zuckerberg.
Here's a look at some of the ways the company has changed the posts appearing in users' customized news feeds, which launched in 2006, as well as some of the factors it uses in deciding what makes up those feeds. We've seen people interact way more around live videos than regular ones.
To try to keep you glued to Facebook, it regularly updates the formula that decides what posts you see.
Facebook's focus used to be connecting people.