Portable monitors are gaining popularity, and it’s easy to see why. They are a boon to both desktop and laptop users. While portable monitors might not reach the large screen sizes of conventional displays, they offer other advantages: They are relatively inexpensive, easy to connect, and, best of all, easy to transport — whether that’s to a different city for work, or to a different room in your house. But the widespread availability of these displays and the ability to...

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