https://qz.com/1179038/how-investors-should-react-to-facebooks-revamped-news-feed/

Facebook has said it will change the news feed algorithm to prioritize meaningful content, increasing content from family and friends and content that creates discussion. But what will that mean for Facebook’s financials?

CEO Mark Zuckerberg said that the changes will reduce engagement. That means the changes will reduce time spent. And time spent has been a key metric for measuring Facebook’s performance. For instance, you’ve been able to measure Facebook’s revenue by multiplying the number of users by the time spent by the value of time.