While privacy phone screen protectors may seem to use some kind of high-end technology, they actually rely on a common technique for blocking your view.

A screen protector can give your smartphone extra protection. Before you buy one, make sure it has this feature to keep your screen cleaner and easier to use.

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When you buy through our links, Business Insider may earn an affiliate commission. Learn more The iPhone 17 has an impressively durable screen, but it isn't immune to scratches, cracks, or chips. One ...

From checking sensitive emails to chatting with family and friends about private matters, there's a lot you might do on your smartphone, tablet, or laptop that you don't want others seeing. Naturally, ...

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