If you are on a plane, this will not work. Photographed from the passengers point of view and you can clearly see what's going on. If you're buying to prevent email from being read, then yes, that might work, but there's no such thing as absolute privacy.
π₯οΈ Clear 3M Anti-Glare Filter for 23.6" Widescreen Monitor (AG236W9B)
12 Review
π Enhanced Privacy with 3M Gold Privacy Filter for 23" Widescreen Monitor (GF230W9B)
10 Review
MacBook Pro 15 Magnetic Privacy Screen Protector | Filter for 2017/2018/2019 Touch Bar Models (A1707/A1990) | Includes Webcam Cover Slider & TPU Keyboard Cover
11 Review
Solitude Screens - Slimmest Magnetic Privacy Screen for MacBook Pro 16 inch - Dual-Sided Anti-Glare MacBook Pro 16 inch Screen Protector - Privacy Screen for MacBook Pro 16 inch Laptop Screen (2019+)
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Backpack XD DESIGN P705.571 black
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10.3" Lenovo Tab M10 FHD Plus 2nd Gen TB-X606F (2020), RU, 2/32 GB, Wi-Fi, Silver
47 Review
16" Notebook Apple MacBook Pro 16 Late 2019 3072x1920, Intel Core i7 2.6 GHz, RAM 16 GB, DDR4, SSD 512 GB, AMD Radeon Pro 5300M, macOS, MVVL2LL/A, silver, English layout
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Graphic Tablet XP-PEN Deco 01 V2 Black
62 Review