Not that I disagree that iPhones are big, but cmon, "the biggest business on earth?" This is a planet that has Oil business, Telecom business, medical products, rice, coffee, fish, illicit drugs, pharmaceutical drugs. There are other businesses that are in a class well beyond a mere consumer electronic device, iPhone or no.
Google has a massive search business that composes the majority of its profits, apple has huge enterprise contracts for stuff like apple TV and the like that have nothing to do with their iphones, Microsoft has the obscenely large business side of the operation that has little to do with the Surface.
