Stating the obvious
"Some 288,000 4K Ultra Blu-ray discs were shifted in the first half of this year. The 4K Blu-ray format was only launched last year, and only benefits from a 4K or UltraHD telly."
Stating the obvious? To us, sure, but I still recall my dad telling me that when colour tv broadcasts came to Swansea, his step-dad waited all day for the colour to appear (on the same old B&W TV they'd had for years..