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Facebook chooses friends over publishers
Mark Zuckerberg onstage at Facebook's conference
Photo: Justin Sullivan / Getty Images

Facebook announced Thursday that it will begin to prioritize posts in the News Feed from friends and family over public content and posts from publishers. It will also move away from using "time spent" on the platform as a metric of success and will instead focus on "engagement" with content, such as comments.

Why it matters: Facebook is the most widely-used news and information platform in the world; almost half of Americans rely on it for news. These changes will significantly impact the way people around the world receive and distribute information, possibly limiting the spread of fake news.