Not every notebook has a touch screen, but try one, and you'll be a tap-and-swipe convert. Here's what to know about touch-panel technology, plus the best touch-screen laptops you can buy, based on ...

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The real focal point of the Acer Veriton Z4820G-I560TZ isn't its design savvy (or lack thereof), but the 23.8-inch LED touch-screen display with 1,920-by-1,080 resolution. If you were to distill the ...