Shell and Zeitgeist: the future of GNOME?

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How is going through all my files and adding the appropriate tags to each one any easier/faster/more convenient than just putting them in a folder in the first place?
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It's *exactly* the same work to put all your file in a folder or tagging the files: both are setting a metadata attribute on the files.

But hieararchical folders are more rigid and require an order even when there is no 'natural' order: ie /landscapes/NewYork isn't better than /NewYork/landscape..

So tags are more flexible.