Ultra-HD Channels: A "Rebirth" of TV or Just Hype?Is your TV already high-definition? Or are you even watching TV anymore? In the face of short videos and live streaming, television seems to have become a relic of a bygone era. Just when we were about to forget what a remote control feels like, the State Administration of Radio and Television announced that 13 new Ultra-HD channels will be launched nationwide by the end of next year...