FB usage down 50 million hours a day amid Feed changes in US
Social media giant Facebook's CEO Mark Zuckerberg has said that overall usage has dropped by "roughly 50 million hours every day" amid News Feed changes. Earlier, the company had announced it will prioritise local news in the News Feed section. Facebook also posted a revenue of $12.97 billion for the fourth quarter of 2017, up by 47% from last quarter. 