All of that is extremely easy. Except the blur that is a bit more expensive. Depends on the strength of the blur etc but a low end laptop can still do all this at 4k hundreds of fps.
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I believe, robust process isolation and access control has been there since at least Windows NT 4 (circa 1996). The mechanism is there, it's just a dumb convention (a lazy default?) that on Windows basically everything runs as root.
It's not just running as root, it's, everyone seeing the whole filesystem, everyone being able to send network packets if they want, etc.
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Yep, that too. Then again, the mechanism has been there (NTFS permissions). It just wasn't made easy for the user to e.g. download an .exe from the internet and run it under its own unprivileged user account that can only write to its own isolated part of the filesystem, etc.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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