https://phys.org/news/2018-10-facebook-3q-revenue-slightly.html

But shares inched a bit higher after-hours, suggesting, at least, that the social media giant didn't further spook investors. With the myriad problems Facebook has been grappling with lately, this is likely good news for the company.

Facebook had 2.27 billion monthly users at the end of the quarter, below the 2.29 billion analysts were expecting. Facebook says it changed the way it calculates users, which reduced the total slightly. The company's user base was still up 10 percent from 2.07 billion monthly users a year ago.