In a research laboratory in Japan, the country's public broadcaster is working on a successor to the familiar high-definition broadcast system.
NHK doesn't expect its Super Hi-Vision video format to make it to actual broadcast until 2025.
But with screens getting ever bigger and people demanding better quality pictures, it does believe it can have a future.
That future might not be the living room though.
-- BBC News, Thursday, 24 January 2008