We noticed a major price drop on 4K TVs this week, these are the models actually worth buying

A sudden price drop on 4K TVs has pushed popular 55-inch models into far more affordable territory. Here are our top picks.
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Laptop: Don't clean your laptop screen with this; it will get damaged. Here's how to clean the screen properly

Cleaning a laptop screen might seem straightforward, but even a small mistake in the cleaning process can cause permanent damage to the display. Today, when we spend so much time in front of screens ...