Instagram not an instant fix for ailing Facebook
https://www.reuters.com/article/us-facebook-results-instagram/instagram-not-an-instant-fix-for-ailing-facebook-idUSKBN1KH18I
Revenue forecasts from Facebook Inc that alarmed investors, fueling the worst day ever for its shares on Thursday, add to the pressure on its Instagram unit to win over more of the ad buyers that have long found success on the company's flagship app.