Anyone who has bought a TV, or even thought about buying a TV, in the past few years will almost certainly have come across the term 4K resolution, which is one of the major selling points of the best TVs on the market. Sometimes referred to as Ultra HD, or UHD, 4K started life in around 2005 with a new standard from the Digital Cinema Initiatives organisation but didn’t catch on until some years later, in the mid-2010s, due to
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