I wondering the same thing myself. I did a bit of searching and found this: http://allthingsd.com/20130514/netflix-still-eats-a-third-of-the-web-every-night-ama

I wondering the same thing myself. I did a bit of searching and found this: http://allthingsd.com/20130514/netflix-still-eats-a-third-of-the-web-every-night-amazon-hbo-and-hulu-trail-behind/ http://allthingsd.com/20130514/netflix-still-eats-a-third-of... According to that article it does mean all HTTP traffic other than the specific sources listed in the chart.