> Regardless of whether it "scaled incredibly well," I would imagine there are still novel issues with that much scaling. I would imagine there is not. When yo

> Regardless of whether it "scaled incredibly well," I would imagine there are still novel issues with that much scaling. I would imagine there is not. When you master something for 1%, you do 20% without too much hassle. (Let's remember that netflix is only serving a couple of videos to a lot of customers, that is embarrassingly parallel and cachable). About reliability. Video is one of the thing that has the least need for reliability. You can have thousands of hiccup during the hours, doesn't matter, nooone can see any of them. I expect most of the tech challenges to be in cost optimizations, not in delivering the service.