2026-09-21 UTC
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[social] The thing is for it to be a folksonomy the identity of the person that tagged it needs to be clear. Flickr hides the person who adds a tag, but also only surfaces one person’s tag, not multiple people using the same tag. In the past on Flickr if a tag existed already on a photo you could also add it, so that your tag collection would get you to that photo. But, that is now harder to do, or has been removed.