|Literally that. There's not a reason to use it, just like there's no reason to use the root of your drive.|
Want to save your settings? Use ApplicationData.
Want to save machine specific settings? Use LocalApplicationData.
Want to save a document? A video? Some music? Use Personal, MyVideos, or MyMusic.
Want to know the folder that houses everything? You can't; it's user definable, and the resulting folders are dependent on the system's initial language.
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