Errrrrr.... it's called "working from home"... and not using proprietary operating systems like MacOS and Windows because they contain intentional back doors https://www.reviewgeek.com/11589/the-best-privacy-filters-for-your-laptop-screen/
Whether you’re using your laptop for work or entertainment in a public space, you want to keep prying eyes away. But you don’t have to sit in the corner of the room, all you need is a privacy filter.
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