If facebook generates more than $100b of revenue, where would all that money come from? Google's money came from a pie of media industy, Apple's from entertainm

If facebook generates more than $100b of revenue, where would all that money come from? Google's money came from a pie of media industy, Apple's from entertainment (in a broader sense), and eBay's money from retailing. According to the rationale of its latest aggressive investors, who would become the victim of Facebook?