The social-networking company has reported quartedly results that beat expectations, pointing to a bigger revenue from mobile advertising. The world's largest social network said sales from mobile advertising rose at a rapid rate, representing approximately 62 percent of the company's overall advertising tallies in the second quarter ended June 30. That's up from 41 percent in the same period a year ago. Overall revenue rose nearly 61 percent, to $2.9 billion, compared with $1.8 billion last year.

Nearly 1.1 billion users accessed the site at least once a month using a mobile device, an increase of 31 percent year over year.

Facebook CEO Mark Zuckerberg said on a conference call with analysts that while he's pleased with the company's performance on mobile so far, there's still a lot of room to grow. He said customers in the US spend 40 minutes each day using Facebook on their mobile phones.

"I really can't underscore this enough that we have a lot of work to do and we could take the cheap and easy approach and put ads in and do payments and make money in the short-term, but we're not going to do that," v said. "We're going to take the time to do this in the way that is going to be right over multiple years."

Facebook said its profits jumped to nearly $1.1 billion.

Zuckerberg said the company is committed to its long-term bets, including virtual reality and augmented reality. "I cared really deeply about...the 10-year arc of the company," he said, adding that he wants to make Facebook a company that can help define the next generation of computing. Facebook, he said, is"going to spend a lot and invest heavily in a bunch of these things to do it right over the long term."