What Is 4K (Ultra HD)?

TVs are getting bigger and resolution is getting higher. 4K TVs are now the standard. If you haven't upgraded from your 1080p TV yet, here's what you need to know.
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TVs are getting bigger and resolution is getting higher. 4K TVs are now the standard. If you haven't upgraded from your 1080p TV yet, here's what you need to know.

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