Although Zuckerberg said the changes will take time to roll out, users will start noticing they see fewer posts from publishers and businesses and more content from their friends and family.
Known for setting annual personal goals ranging from killing his own food to learning Mandarin, Zuckerberg's stated mission for this year is to "fix" the social network, including by targeting abuse and hate, and making sure visiting Facebook is time well spent.
The move will prevent businesses from being able to direct traffic to their website, which, analysts say, will negatively impact their ability to generate advertising revenue.
In September, in another blow for the social network, ProPublica reported that Facebook's ad-buying platform could be used to deliver ads to users who identify as anti-Semites.
In November 2017, the company announced that its plan to train and support 50,000 businesses and creative entrepreneurs across Nigeria in 2018.
The Menlo Park, California-based company has kept revenue growing by consistently selling more advertising in its news feed, striking partnerships with media companies to distribute their stories, and including more video postings, which draw higher ad rates. Sharing these moments together, Facebook reasons, deepens the connections between people, even if they can't always be together offline. As the company tries to return to its friends-and-family roots, news outlets like BuzzFeed, CNN, The Washington Post and The New York Times will be watching closely.
Research shows that strengthening our relationships improves our well-being and happiness.
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.
On Thursday, he said numerous discussions about Facebook's responsibilities had prompted the company "to get a better handle on some of the negative things that could happen in the system".
But over the years, Facebook has changed the game - on you and us - by jiggering the algorithm it uses to serve you content on your Facebook feed, favoring content that keeps you inside their app longer, whether it's fake or real or whatever.
Zuckerberg said on Thursday the company would change the filter for the News Feed to prioritize what friends and family share, while reducing the amount of non-advertising content from publishers and brands.
"We want to make sure that our products are not just fun but are good for people", Zuckerberg said. Later in the post, he does mention academic research and Facebook's research with leading experts at universities without really going into it. Product managers are being asked to "facilitate the most meaningful interactions between people", rather than the previous mandate of helping people find the most meaningful content, he said.
We started making changes in this direction a year ago, but it will take months for this new focus to make its way through all our products.
In general, the primary theme Zuckerberg pushed on Friday is that the news feed is going to be more "meaningful". With the changes, the company will prioritize posts that it believes are likely to spur discussion among people who know one another and reduce the kind of content that people simply scroll past or watch. We've seen people interact way more around live videos than regular ones. Dotface's videos about a South Korean mother giving a hug to young sexual minority people who could not tell their parents about their sexual orientation struck a chord with viewers around the world, accruing 5 million views and many shares, comments and likes.
A warning by Zuckerberg that people could spend less time on Facebook in the short term as a result of the changes sent the company's stock $8.29 lower to $179.47.
If you follow the Reading Eagle on Facebook, you can expect to see less of us in your news feed over the coming months. And if we do the right thing, I believe that will be good for our community and our business over the long term too. Maybe, maybe not. But Facebook's goal is to make people happier using the site - not to expose them to opposing views.