Slideshow

How Messenger chats factor into what you see in Facebook news feed

Engineers shed light on Facebook's ranking algorithm during a talk at F8

  • Facebook engineers Lars Backstrom (left) and Adam Mosseri, during a talk at the company's F8 conference on March 25, 2015.

  • Facebook CEO Mark Zuckerberg delivering the keynote at Facebook's F8 conference on March 25, 2015.

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