This is unreal, 400 GB Blu-Ray disc with a 1TB disc to come in 2013. What is amazing is that the internet is essentially a network of storage devices. We have created specialty devices like routers and switches to interface with servers, which themselves are stacks of networked hard-drives. One can chart the growth of disk space with the advancement of computer technology over time with interesting results. Make no mistake, this is a major event in the future growth of computing technology on par with diskettes to dvds.