Facebook may be the last great company of the desktop age. It's beaten back Friendster, MySpace and a half-dozen other pretenders, and — at least so far — is successfully holding off both Twitter and Google+. Its desktop display advertisements make the company billions of dollars in revenue. But that's not nearly enough. Now, Zuckerberg has to further capitalize on the growth of mobile to... moreFacebook may be the last great company of the desktop age. It's beaten back Friendster, MySpace and a half-dozen other pretenders, and — at least so far — is successfully holding off both Twitter and Google+. Its desktop display advertisements make the company billions of dollars in revenue. But that's not nearly enough. Now, Zuckerberg has to further capitalize on the growth of mobile to extend its reach. And he knows it. view page