- Facebook’s usage decline should have investors worried — no matter what Mark Zuckerberg saysBusiness Insider
- Facebook shares rebound after optimism about ad revenueReuters
- Facebook Aims to Soothe Wall Street Over News Feed ChangesNew York Times
- News Feed FYI: More Local News on Facebook | Facebook NewsroomFacebook Newsroom
- Facebook Reports Solid Fourth Quarter Results Amid Declining Time Spent On The Social NetworkForbes