Ultra HD, colloquially known as "4K," is everywhere on TV shelves and online this year. Previously restricted to only high-end models, 4K resolution has become so inexpensive that your next 50-inch or ...

David leads the Hardware team at CNET, covering phones, wearables, laptops, TVs, streaming, future tech and more. We provide helpful, expert reviews, advice and videos on what to buy and how to get ...