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Privacy filters reduce the readable viewing angle from the sides, which can help in airports, cafés, shared offices, and classrooms. They do not prevent someone directly behind you from seeing the screen.
Measure before ordering
- Use the display's viewable width and height, not only the advertised diagonal size.
- Confirm the aspect ratio and whether the screen has a raised bezel or edge-to-edge glass.
- Choose removable tabs or a magnetic design if you frequently share the screen.
- Expect some reduction in brightness and possible changes in color accuracy.
Privacy is layered. Sit with your back toward a wall when possible, lock the computer whenever you step away, and avoid displaying sensitive information in crowded spaces.
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