Mobile Ad Sales Help Boost Facebook Earnings

Facebook beat analysts' expectations, posting solid sales in the third quarter Tuesday. Most important to the company's future, 14 percent of its revenues came from mobile advertising. Chief executive Mark Zuckerberg said he wants to "dispel the myth that Facebook can't make money from mobile." Still, Facebook's mobile partner, game maker Zynga, is in trouble and announced it is laying off 5 percent of its workforce.