Not all crazy ideas are crazy.
Netflix is talking about delivering ultra high definition content to its subscribers, using the 4K video format currently under development. Real time streaming of 4K content will require something like a 100 Mbps to 1 Gbps connection. Or it could be downloaded, over time, to in-home hard drives at slower speeds.
Either way, it would strain existing networks. A gigabit is only possible with fiber. In theory, cable modem service can support 100 Mbps speeds, but only for a very limited number of homes in a given area and only intermittently over long periods of time.… More