Who pays for the expansion to accommodate traffic generated by Comcast customers requesting data from Netflix? Comcast? ... In a world with ISP competition, an

Who pays for the expansion to accommodate traffic generated by Comcast customers requesting data from Netflix? Comcast? ... In a world with ISP competition, an ISP that chose to purposefully neglect its peering connections, or to throttle one of the most popular services on the internet, would lose customers. Unfortunately, we don't live in that world.