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by mappu 3845 days ago
>As for an example of them being helpful - on Windows when you download a file from the Internet using a browser an extended attribute is used to mark that.

One maybe lesser-known use for ADS: FlylinkDC++ (and derivatives) have an option to store TTH hash data in the file's own ADS, instead of in a central hash store. It means that the hash data could be used by multiple applications, but, it's less I/O efficient to make thousands of these <4KB blocks everywhere.