Facebook's Earnings Report Underscores Its Challenges
the decelerating growth of its advertising business, which accounted for 85 percent of its $3.7 billion in revenue ..... in the last quarter, Facebook got $1.28 in revenue from each of its users, which is barely changed from the same time last year. .... the average revenue per user in the U.S. and Canada jumped to $3.20 from $2.84 a year ago
There is no relationship at Facebook between user growth and revenue growth. And that seems to be the problem. Long term I am not worried. There are several ways to monetize Facebook. Facebook has to figure out Facebook-unique ways to make money.