It's not often that we touch on subjects surrounding content infrastructure -- lectures revolving around AWS, Level 3 and Limelight give most of us the creeps -- but that stuff is absolutely vital to keep petabytes of content flowing to our retinas. As the company's business shifts from by-mail to instant gratification, there are also decisions that need to be made about delivery. Despite signing a three-year deal with Limelight and Level 3 right around eighteen months ago, Netflix is clearly keeping an eye on the future with the introduction