In Depth: Discussing Facebook's Advertising Future with VP of Global Sales Mike Murphy

Facebook’s advertising efforts have come a long way in the last four years. While many companies have had to abandon advertising-focused revenue models, Facebook has grown total revenues to around $550 million this year, with about 90% of its revenues in our estimation coming from advertising. That’s up an impressive 70% year over year overall, as CEO Mark Zuckerberg said earlier this year.