Google Serves 25 Percent of North American Internet Traffic | Wired Enterprise | Wired.com

Making all the world's video universally accessible (YouTube is the primary driver)

"Everyone knows Google is big. But the truth is that it’s huge. On an average day, Google accounts for about 25 percent of all consumer internet traffic running through North American ISPs.
That’s a far larger slice of than previously thought, and it means that with so many consumer devices connecting to Google each day, it’s bigger than Facebook, Netflix, and Instagram combined. It also explains why Google is building data centers as fast as it possibly can. Three years ago, the company’s services accounted for about 6 percent of the internet’s traffic."

Google Serves 25 Percent of North American Internet Traffic | Wired Enterprise | Wired.com